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When breakdown exceeds rebuild, lean mass drops. GLP-1 agonists reduce appetite and body weight. Reports show some of that weight comes from lean mass. TB-500 is studied for repair-cell movement and tissue structure repair. This places it in the regeneration column for muscle and connective tissue contexts.","status":"active","vx_hash":"adcda85cecdfbc93a8443a799e318cbfd9d9660f6d06245af0965cb3537067ac","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"d1b44b1758849dc2975472c7edd408b4f6d260b2755926b51f98c44ceb19de13","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"4c2da0bb6d5d7f89aaf4767b0740cf8db20e11aa1a7e2ff309e533b418988b13","detail":{"divided_from":"body","block":2,"kind":"p"},"prev":"genesis","hash":"d1b44b1758849dc2975472c7edd408b4f6d260b2755926b51f98c44ceb19de13"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d2"},{"id":"d3","kind":"h","type":null,"order":3,"text":"## What it is","status":"active","vx_hash":"364e6a6bffc3a78e19bf441f04c6773cf28a2fe7dbeceee295025b52dd0fb826","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"bac87ffe74a01035d8f884846fc9ee650f40154ecb398bed52d3bde50d6f985b","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"86be443f45b5a4fcc2177c164ba3d0e83fba48637131bb846415144f9ff2b345","detail":{"divided_from":"body","block":3,"kind":"h"},"prev":"genesis","hash":"bac87ffe74a01035d8f884846fc9ee650f40154ecb398bed52d3bde50d6f985b"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d3"},{"id":"d4","kind":"p","type":null,"order":4,"text":"TB-500 is a fragment derived from thymosin beta-4. Thymosin beta-4 occurs naturally in many tissues. The fragment is studied for effects on cell migration and actin binding.","status":"active","vx_hash":"a368da5e5c8231475a9df4cd76ee6528c21ad7506ffbd2f7fda0eabf49b31f1f","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"2b481dbb56c44a15135ae0153560c4c3eb574e38e32d503b0b72510c0f431bde","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"450f254ae640a4765b0d78a0ac86c921c1138a5ebe80a0c1f8b88a00e38ccb32","detail":{"divided_from":"body","block":4,"kind":"p"},"prev":"genesis","hash":"2b481dbb56c44a15135ae0153560c4c3eb574e38e32d503b0b72510c0f431bde"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d4"},{"id":"d5","kind":"h","type":null,"order":5,"text":"## How it works","status":"active","vx_hash":"cc4d012adedacf58c10820b6b11633398902ba862eb24e97be0102a63793fbe3","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"9b9416c33c66d6fe50ccd184a44664a4ee87f6aca7800f3ae950f9a2d8a16b8f","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"5ae438610cf16e31eb584a453d76f45d94f6d1bb14751446ac4e99e3e37c33a8","detail":{"divided_from":"body","block":5,"kind":"h"},"prev":"genesis","hash":"9b9416c33c66d6fe50ccd184a44664a4ee87f6aca7800f3ae950f9a2d8a16b8f"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d5"},{"id":"d6","kind":"p","type":null,"order":6,"text":"Thymosin beta-4 binds actin. Actin controls cell shape and movement. When cells move toward damaged areas, repair follows. Studies track this in wound models. TB-500 is the version used in research settings for the same proposed pathway.","status":"active","vx_hash":"e40ab38d37f460f8304cb1a5c2a6e7bd204397c972c71fdc3ea70ad9d1102823","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"f545d4554263636d65101b774586cc1d8ba35e99b48b1a2de4186b0a9836a803","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"9bc72081d246e5798b9184943621f9229d72b6d236abf6c462862e651c141d7d","detail":{"divided_from":"body","block":6,"kind":"p"},"prev":"genesis","hash":"f545d4554263636d65101b774586cc1d8ba35e99b48b1a2de4186b0a9836a803"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d6"},{"id":"d7","kind":"h","type":null,"order":7,"text":"## Why it would work (logic chain)","status":"active","vx_hash":"4b968fd46dd86de4100a1a564b5d90d1ade914fcc454c539f2bc90a2f22d26f0","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"3b1cba4304dd5d8ed11957d8fe73b512027506c64271bbda51f05a3b3737bcf9","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"4d2830fe66086d6e85c12196286ee2de9920cbad3c3c98da2c874707a0885815","detail":{"divided_from":"body","block":7,"kind":"h"},"prev":"genesis","hash":"3b1cba4304dd5d8ed11957d8fe73b512027506c64271bbda51f05a3b3737bcf9"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d7"},{"id":"d8","kind":"p","type":null,"order":8,"text":"If GLP-1 agonists create caloric deficit, muscle protein breakdown can rise. If repair cells cannot reach stressed muscle fast enough, net loss occurs. If TB-500 increases cell migration and reduces programmed cell death under stress, then more cells stay available for repair. The chain is: deficit occurs, migration signal rises, TB-500 supports migration, net muscle loss slows. This remains a proposed chain. No direct test of the full chain exists in the ledger.","status":"active","vx_hash":"5698ae6f35abe880b715e1b19fcf4157ae2124afcdf44ba81459355bf37f0c0f","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"052c42692de345f7eb8f141090deed773bcaf8ed302af92a5edb1cebe50e30f7","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"68b405449cd06a9e0a3b13f163abb2d448a550e23fb09d3419bae511f42097f0","detail":{"divided_from":"body","block":8,"kind":"p"},"prev":"genesis","hash":"052c42692de345f7eb8f141090deed773bcaf8ed302af92a5edb1cebe50e30f7"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d8"},{"id":"d9","kind":"h","type":null,"order":9,"text":"## Why people take it","status":"active","vx_hash":"f4f567c1bc4dc90e46779810ea2d33a8f96df7c903a39c4040449c3cc4fab333","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"65036596320462d996f3513043e4aaf6cb9d54d4c37f646d7ac3790aaae30115","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"b8c1f34ace0034b5eeca4d5e279fa8f6cec55f2537e1196408c3146788efc8b6","detail":{"divided_from":"body","block":9,"kind":"h"},"prev":"genesis","hash":"65036596320462d996f3513043e4aaf6cb9d54d4c37f646d7ac3790aaae30115"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d9"},{"id":"d10","kind":"p","type":null,"order":10,"text":"People take TB-500 when they use GLP-1 agonists and want to keep training. They report interest in faster recovery from exercise and less muscle loss during weight reduction. Clinic sites list the combination for musculoskeletal support during GLP-1 use.","status":"active","vx_hash":"924bc6ffb7f1ab544453cde90038c57879a48af386ad580f58bdca02cb6f47db","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"7ce828984be1c6542414b45b6b0b4285d7eec842707c1ffc6d83a55c08144807","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"2148faa78d37100f3722ac32349dfbc9c10d68132ebefa9e9f9ca63e62c7dea7","detail":{"divided_from":"body","block":10,"kind":"p"},"prev":"genesis","hash":"7ce828984be1c6542414b45b6b0b4285d7eec842707c1ffc6d83a55c08144807"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d10"},{"id":"d11","kind":"h","type":null,"order":11,"text":"## How many people take it","status":"active","vx_hash":"540bbeb0ad32e2cca2cc54663c2dfc50a4bb92c21bab45ea0a223d8d73be9549","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"d20396c5ab060813c7674b513d84626de9ac46502068430edd1068b3ba2741df","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"ecaf3b2a00962679296b05d11a617f36afb9c5c0fa08ef38581bba97bbe6e9d0","detail":{"divided_from":"body","block":11,"kind":"h"},"prev":"genesis","hash":"d20396c5ab060813c7674b513d84626de9ac46502068430edd1068b3ba2741df"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d11"},{"id":"d12","kind":"p","type":null,"order":12,"text":"The ledger contains no population count. No survey or prescription data appear. The number of people who combine TB-500 with GLP-1 agonists is unknown from these sources.","status":"active","vx_hash":"6bcff19abe234f59c2358b0ffccf8fe74b509428d82db7173a1d37e68ffbef6c","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"b4776c61915d4849c96a6889a37d58ec44a1e2f88e3116a4a846dc2e1d55d350","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"afdf8b723e63f29e8ed753060ceae1e7272539fbebbc27ee39a807429671966e","detail":{"divided_from":"body","block":12,"kind":"p"},"prev":"genesis","hash":"b4776c61915d4849c96a6889a37d58ec44a1e2f88e3116a4a846dc2e1d55d350"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d12"},{"id":"d13","kind":"h","type":null,"order":13,"text":"## Evidence inventory","status":"active","vx_hash":"d54c3a4c7a74c3f4d440d2bf908611df23f2e59b3a6a7927502ab015b6caff00","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"d16786b302a28bc22dbf0dbba8e1d178551a6c4c55dca83e70529d5076594b05","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"1a923749300b98146490d68bea892e058931a4f71936ca9b8303d9bf31c8d483","detail":{"divided_from":"body","block":13,"kind":"h"},"prev":"genesis","hash":"d16786b302a28bc22dbf0dbba8e1d178551a6c4c55dca83e70529d5076594b05"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d13"},{"id":"d14","kind":"p","type":null,"order":14,"text":"Sources total: 11.\nStudies catalogued: 8.\nReddit posts: 1.\nX posts: 0.\nOther anecdote sources: 0.\nHuman claims: 1.\nPreclinical claims: 2.\nAnecdotal claims: 4.","status":"active","vx_hash":"854ad5f31ce74342d768377efa3c23b029aa5fab0d81665e137858bc3eb583ce","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"0a3869cbf9153febea911220c7b0f8c6af410dba1010eb05ec721b236a45e3c3","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"de7041ccdfc3a761f5e4052e6d58930c039f669407525aab66fb5d463d8386ad","detail":{"divided_from":"body","block":14,"kind":"p"},"prev":"genesis","hash":"0a3869cbf9153febea911220c7b0f8c6af410dba1010eb05ec721b236a45e3c3"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d14"},{"id":"d15","kind":"p","type":null,"order":15,"text":"Human data: one review summarizes DXA scans from GLP-1 trials showing lean mass fractions of weight loss between 25.7 % and 45.5 % (source s1). One review states a phase 1 safety study found recombinant thymosin beta-4 well tolerated with no serious adverse events (source s2).","status":"active","vx_hash":"96175a9d586a422b2b03f350012d2beec66a4a8ce6c59fd361a443f4315fca0e","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"40affa354ab41780875a760978da3809f9c76262bbe75a2250f319119ee83db3","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"48729590d5ba94da59668b2a4712dfe150b1379257889fae87b75321f5a65ca9","detail":{"divided_from":"body","block":15,"kind":"p"},"prev":"genesis","hash":"40affa354ab41780875a760978da3809f9c76262bbe75a2250f319119ee83db3"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d15"},{"id":"d16","kind":"p","type":null,"order":16,"text":"Preclinical data: one 1999 rat study found thymosin beta-4 accelerated full-thickness wound closure (source s3). One 2026 narrative review states TB-4 and TB-500 promoted angiogenesis and tissue repair in preclinical models but human orthopaedic data are lacking (source s4).","status":"active","vx_hash":"622ed41572bd922770ff4973e3caff53e11335f2302478d4c59152fa57661aca","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"f6fe79e05db5f4d5bf5f3fd69f456e11ca35ffbd27139f37150dc6ba350cd244","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"b50c45cc5fe88e27126eb2577a625ebaa71b987c1971535bbe0dafee1569538b","detail":{"divided_from":"body","block":16,"kind":"p"},"prev":"genesis","hash":"f6fe79e05db5f4d5bf5f3fd69f456e11ca35ffbd27139f37150dc6ba350cd244"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d16"},{"id":"d17","kind":"p","type":null,"order":17,"text":"Anecdotal data: one Reddit post in r/crossfit states the user saw significant pain reduction after adding TB-500 (source s7). Four clinic or blog sources discuss TB-500 in the context of GLP-1 use for muscle preservation; these are not controlled trials (sources s5, s6, s9, s10).","status":"active","vx_hash":"c435873c019e79645f1effee529875dbc6a97d8eb6317a3c194d3ded64b490b7","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"263c29046db15dc3ca020bd1f5dee97dd93f19d00194aeb2d6f0af8cccebca70","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"5cbb15be7b2c0b80533f80c53302e494ef47d99420cd52674bc823841aceea82","detail":{"divided_from":"body","block":17,"kind":"p"},"prev":"genesis","hash":"263c29046db15dc3ca020bd1f5dee97dd93f19d00194aeb2d6f0af8cccebca70"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d17"},{"id":"d18","kind":"h","type":null,"order":18,"text":"## What scientists say","status":"active","vx_hash":"ceb62ba80ebf90bff5f272b833febec970700f951da041d30326589752128fb3","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"85fa79e04a3ec7f2ae7ff87ef229877ad8b4add0bb7ef3b0f576ba0866f13552","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"2f1dd55083de1fa734f2f06a8337a050d5a0b3f635bfc8bb709abab75705a1ef","detail":{"divided_from":"body","block":18,"kind":"h"},"prev":"genesis","hash":"85fa79e04a3ec7f2ae7ff87ef229877ad8b4add0bb7ef3b0f576ba0866f13552"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d18"},{"id":"d19","kind":"p","type":null,"order":19,"text":"The 1999 rat study showed faster wound closure with thymosin beta-4 (source s3). This proves the peptide can affect repair speed in that model. It does not prove effects on muscle during GLP-1 use in humans.","status":"active","vx_hash":"ca40d5d501dedef1c4602265c9cf97ecb80cd6f966338d29bc3221e7cdaa6880","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"6f11ae4ff4fb72e5a233c3999d34bafb9d1dc6529a77573e23d5766857d228fa","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"2ab5bd9110cad5a808db72f22bf865eec247b2fa87ef3a004f6db10a25283c74","detail":{"divided_from":"body","block":19,"kind":"p"},"prev":"genesis","hash":"6f11ae4ff4fb72e5a233c3999d34bafb9d1dc6529a77573e23d5766857d228fa"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d19"},{"id":"d20","kind":"p","type":null,"order":20,"text":"The 2026 narrative review states preclinical angiogenesis and repair benefits exist but human orthopaedic data are absent (source s4). This proves the gap in human evidence. It does not prove clinical benefit or lack of benefit.","status":"active","vx_hash":"5bf5b2e31a7fa165e64b7d8ab2cba64bd2703d3b8e6cb2fc4dee9afa102be807","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"adf2d0d39b175c53b1184abf5f445a510d58126f1452cd5d6ad6eb87dde1690c","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"c06bdf384879c9c82fd0a982f3ff5e5e84124b4236e9b894bbf19e3d2a9d848d","detail":{"divided_from":"body","block":20,"kind":"p"},"prev":"genesis","hash":"adf2d0d39b175c53b1184abf5f445a510d58126f1452cd5d6ad6eb87dde1690c"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d20"},{"id":"d21","kind":"p","type":null,"order":21,"text":"The phase 1 safety review reports no dose-limiting toxicities in healthy volunteers (source s2). This proves short-term tolerability in that small group. It does not prove long-term safety or efficacy for muscle preservation.","status":"active","vx_hash":"cb379692075fedb348f3de8aafe177e54173423e7d2bf17a8930af23950f0100","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"f9af9bba3c54b098b0ea1c3fc2cf26cbeeb1b4e8184e4f6ce0244cdf280978ae","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"1c182e216222bb37845eeb550b631d582c93cf873e31f720957d48bb2ceab154","detail":{"divided_from":"body","block":21,"kind":"p"},"prev":"genesis","hash":"f9af9bba3c54b098b0ea1c3fc2cf26cbeeb1b4e8184e4f6ce0244cdf280978ae"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d21"},{"id":"d22","kind":"p","type":null,"order":22,"text":"The GLP-1 review reports lean mass fractions of weight loss from trial DXA data (source s1). This proves the measured loss in those trials. It does not prove the loss is preventable by any peptide.","status":"active","vx_hash":"e68b5b08027ca4ce01034e0451f62229a94426037294f8ac623ca32dab0ac9ab","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"699a9c5d1fadf6d76184d90ccfe2ea19c289173b61d04058ce8a7c1703e6f95b","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"55fb37443fda6321f7e81bda450c2d1c3871ee0b20675dde48a61c6c24062a1a","detail":{"divided_from":"body","block":22,"kind":"p"},"prev":"genesis","hash":"699a9c5d1fadf6d76184d90ccfe2ea19c289173b61d04058ce8a7c1703e6f95b"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d22"},{"id":"d23","kind":"h","type":null,"order":23,"text":"## What people say on Reddit","status":"active","vx_hash":"88de6b146279ccc1b774018c120553d1c73c573a88daa0debd43100e4c7d8dd6","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"99096cfb083f5b60dd4f18d1d58717e97b1cb9a138be08f75fd0f3691091c090","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"feb303756a303788527cf602bf2c3c6b00ab8c384fb9fff4baa9ffc53e0049c3","detail":{"divided_from":"body","block":23,"kind":"h"},"prev":"genesis","hash":"99096cfb083f5b60dd4f18d1d58717e97b1cb9a138be08f75fd0f3691091c090"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d23"},{"id":"d24","kind":"p","type":null,"order":24,"text":"One post in r/crossfit states: \"The last few weeks have shown pretty significant reduction in pain since I added TB-500.\" The poster is a CrossFit participant discussing peptides while noting GLP-1 users seek recovery aids. The report is one person's experience. It shows real-world interest but supplies no controlled comparison.","status":"active","vx_hash":"1784af636aef557a1fac6cb514ca515031663025b98b29f62a7e0f7b28157163","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"07818c545f6ee477e7fdc6c09a773471755592e8fb92f0d510125fc79d9bf5c3","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"d8b9017b501e58d7b31da7a8ad62d891020dec3f20042a8e87a68fadb9b345ed","detail":{"divided_from":"body","block":24,"kind":"p"},"prev":"genesis","hash":"07818c545f6ee477e7fdc6c09a773471755592e8fb92f0d510125fc79d9bf5c3"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d24"},{"id":"d25","kind":"h","type":null,"order":25,"text":"## What people say on X","status":"active","vx_hash":"3c9bc312107d5882411c6ca7cf1805fed95abab6f278c8329c6807152d26e0de","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"c9b47ddfe3ea0b6eb0380927556a5711de291a0509b563d2681c4cfb942a7cdb","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"4dd8bbfdb0452cc6235c2300209b5132daba3913b8f54ab179b1a73109c298dd","detail":{"divided_from":"body","block":25,"kind":"h"},"prev":"genesis","hash":"c9b47ddfe3ea0b6eb0380927556a5711de291a0509b563d2681c4cfb942a7cdb"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d25"},{"id":"d26","kind":"p","type":null,"order":26,"text":"The ledger contains zero X posts on this topic.","status":"active","vx_hash":"d7d38cbee92334d798cc7b67d692075fe14974f4f950b9a53a0a00658a927a90","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"3025f620e7974bb190de5142d244b19fac940be001bae067159b2ebf83faf6cb","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"e2bde85b650ca9bddd9b4a930af79fd6808554c7907637fe9a933853d244be31","detail":{"divided_from":"body","block":26,"kind":"p"},"prev":"genesis","hash":"3025f620e7974bb190de5142d244b19fac940be001bae067159b2ebf83faf6cb"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d26"},{"id":"d27","kind":"h","type":null,"order":27,"text":"## What we do not know","status":"active","vx_hash":"8ef9ad3ec417cb9d19b8b0a170673f0efee70f694338d0d2470ac7f58e9f3aa9","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"54272ecd6f5c568d8cb82a14d777497ff8fc6170c92e93b94d577ea5280c60c6","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"7d96a49fba77f6a48c0321db2ae4180a902beae62e2aac0d23408fbf8333a177","detail":{"divided_from":"body","block":27,"kind":"h"},"prev":"genesis","hash":"54272ecd6f5c568d8cb82a14d777497ff8fc6170c92e93b94d577ea5280c60c6"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d27"},{"id":"d28","kind":"p","type":null,"order":28,"text":"No human trial tests TB-500 for lean mass preservation during GLP-1 agonist use. No data show whether any reported pain reduction or training consistency links directly to muscle retention. The fraction of weight lost as lean mass varies by trial and drug; exact mechanisms remain under study. 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This covers short-term use in that setting only. The 2026 review notes both TB-4 and TB-500 remain banned substances in sports (source s4). No data in the ledger address interactions with GLP-1 agonists. The ledger supplies no dosing information.","status":"active","vx_hash":"76d172485d11f649ad7ec808b0fe4a731216fc6b4891c5de90cafc700756592f","semantic_hash":null,"version_hash":null,"version":1,"sources":[],"falsifiers":[],"tier":null,"backed":null,"transcludes":null,"chain_head":"6b052fe6dd37e484770f8d98ea2389637eea424f30f018d39229663234043ca9","chain_length":1,"chain":[{"n":1,"op":"genesis","ts":"2026-07-17T02:42:15.203Z","actor":"owner","text_sha":"6fc6b901cecd5463981758aeb9b512336fba3590d0a6060dae4896db9bad00cf","detail":{"divided_from":"body","block":30,"kind":"p"},"prev":"genesis","hash":"6b052fe6dd37e484770f8d98ea2389637eea424f30f018d39229663234043ca9"}],"claim_ids":[],"last_op":{"op":"genesis","actor":"owner","ts":"2026-07-17T02:42:15.203Z"},"consolidated_into":null,"stable_url":"https://miscsubjects.com/i/div/tb-500-glp1-muscle-loss/d30"}],"voxels":[{"id":"c1","div_id":"claim:c1","kind":"claim","text":"In STEP 1, lean mass loss was ~45% of total weight lost on 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The source does not provide data specific to semaglutide, making the claim overstrong.","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c23","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c23"},{"id":"c_map_tb-500-glp1-muscle-loss","div_id":"claim:c_map_tb-500-glp1-muscle-loss","kind":"claim","text":"Combinatorial mapping (transparent): tb-500 vs glp1-muscle-loss — regen=0.11, degen=0.72, Δ=-0.61. Method: layer_relevance(0.20) × evidence_factor(0.55); catalog.degen_score for GLP-1 muscle loss / sarcopenia.","tier":"system","standing":null,"weight":0.35,"section":"what_is_known","status":"active","source_ids":[],"source_status":"unsourced","posted_by":{"actor":"grok/4.3-populate","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z","model":"grok/grok-4.3","rationale":"backfilled by ledger repair"},"who_claims":"grok/4.3-populate","edges":[{"type":"posted_by","actor":"grok/4.3-populate","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z"}],"content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c_map_tb-500-glp1-muscle-loss","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c_map_tb-500-glp1-muscle-loss"},{"id":"c27","div_id":"claim:c27","kind":"claim","text":"Discusses stacking TB-500/BPC with GLP-1s like semaglutide/tirzepatide for muscle preservation during weight loss; anecdotal community advice on protocols (anecdotal, not advice).","tier":"anecdotal","standing":null,"weight":0.3,"section":"who_claims_what","status":"active","source_ids":["s12"],"source_status":"sourced","posted_by":{"actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z","model":"grok/grok-4.3","rationale":""},"who_claims":"grok-4.3","edges":[{"type":"supported_by","target":"s12","source_type":"reddit","hash":"a51c9e362a65d8e2"},{"type":"posted_by","actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z"}],"why_material":"Materialized from orphan source s12 by ledger repair","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c27","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c27"},{"id":"c28","div_id":"claim:c28","kind":"claim","text":"Users discuss TB-500 with semaglutide noting muscle loss risks and recovery anecdotes (anecdotal, not advice).","tier":"anecdotal","standing":null,"weight":0.3,"section":"who_claims_what","status":"active","source_ids":["s13"],"source_status":"sourced","posted_by":{"actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z","model":"grok/grok-4.3","rationale":""},"who_claims":"grok-4.3","edges":[{"type":"supported_by","target":"s13","source_type":"reddit","hash":"9f05231ae91106e4"},{"type":"posted_by","actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z"}],"why_material":"Materialized from orphan source s13 by ledger repair","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c28","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c28"},{"id":"c29","div_id":"claim:c29","kind":"claim","text":"Mentions TB-500 alongside GLP-1 microdosing for muscle/joint support; anecdotal dosing discussion (anecdotal, not advice).","tier":"anecdotal","standing":null,"weight":0.3,"section":"who_claims_what","status":"active","source_ids":["s14"],"source_status":"sourced","posted_by":{"actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z","model":"grok/grok-4.3","rationale":""},"who_claims":"grok-4.3","edges":[{"type":"supported_by","target":"s14","source_type":"reddit","hash":"733e9c939fed39e3"},{"type":"posted_by","actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z"}],"why_material":"Materialized from orphan source s14 by ledger repair","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c29","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c29"},{"id":"c30","div_id":"claim:c30","kind":"claim","text":"User shares personal stack including TB-500 with GLP-1s for muscle preservation; anecdotal results like maintained strength (anecdotal, not advice).","tier":"anecdotal","standing":null,"weight":0.3,"section":"who_claims_what","status":"active","source_ids":["s15"],"source_status":"sourced","posted_by":{"actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z","model":"grok/grok-4.3","rationale":""},"who_claims":"grok-4.3","edges":[{"type":"supported_by","target":"s15","source_type":"reddit","hash":"d1491af1f5c8635c"},{"type":"posted_by","actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z"}],"why_material":"Materialized from orphan source s15 by ledger repair","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c30","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c30"},{"id":"c31","div_id":"claim:c31","kind":"claim","text":"Thread on semaglutide muscle loss concerns, with some mentions of peptides like TB-500 in comments for mitigation (anecdotal).","tier":"anecdotal","standing":null,"weight":0.3,"section":"who_claims_what","status":"active","source_ids":["s16"],"source_status":"sourced","posted_by":{"actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z","model":"grok/grok-4.3","rationale":""},"who_claims":"grok-4.3","edges":[{"type":"supported_by","target":"s16","source_type":"reddit","hash":"0c9a13db575bd11d"},{"type":"posted_by","actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z"}],"why_material":"Materialized from orphan source s16 by ledger repair","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c31","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c31"},{"id":"c32","div_id":"claim:c32","kind":"claim","text":"User documenting use of BPC-157 + TB-500 (Wolverine Stack) for ACL/meniscus recovery while on or considering GLP-1 context; anecdotal recovery protocol 5 days on/2 off.","tier":"anecdotal","standing":null,"weight":0.3,"section":"who_claims_what","status":"active","source_ids":["s17"],"source_status":"sourced","posted_by":{"actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z","model":"grok/grok-4.3","rationale":""},"who_claims":"grok-4.3","edges":[{"type":"supported_by","target":"s17","source_type":"reddit","hash":"4acaf1f6e4dfdb73"},{"type":"posted_by","actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z"}],"why_material":"Materialized from orphan source s17 by ledger repair","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c32","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c32"},{"id":"c33","div_id":"claim:c33","kind":"claim","text":"Discussion on muscle loss from tirzepatide/GLP-1; user mentions stacking with BPC-157/TB-500 for muscle preservation; anecdotal experiences of strength loss and recovery via training/protein.","tier":"anecdotal","standing":null,"weight":0.3,"section":"who_claims_what","status":"active","source_ids":["s18"],"source_status":"sourced","posted_by":{"actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z","model":"grok/grok-4.3","rationale":""},"who_claims":"grok-4.3","edges":[{"type":"supported_by","target":"s18","source_type":"reddit","hash":"30cf880e44e8275b"},{"type":"posted_by","actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z"}],"why_material":"Materialized from orphan source s18 by ledger repair","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c33","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c33"},{"id":"c34","div_id":"claim:c34","kind":"claim","text":"Peptide cheat sheet including TB-500 for muscle repair/inflammation with GLP-1s like semaglutide/tirzepatide/retatrutide; anecdotal stacking protocols and dosing examples labeled as educational.","tier":"anecdotal","standing":null,"weight":0.3,"section":"who_claims_what","status":"active","source_ids":["s19"],"source_status":"sourced","posted_by":{"actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z","model":"grok/grok-4.3","rationale":""},"who_claims":"grok-4.3","edges":[{"type":"supported_by","target":"s19","source_type":"reddit","hash":"0f085e8036ee77fc"},{"type":"posted_by","actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z"}],"why_material":"Materialized from orphan source s19 by ledger repair","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c34","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c34"},{"id":"c35","div_id":"claim:c35","kind":"claim","text":"User trial of TB-500/BPC-157 for 90 days in CrossFit context, noting potential muscle loss concerns with GLP-1s like semaglutide; mixed anecdotal outcomes on peptides.","tier":"anecdotal","standing":null,"weight":0.3,"section":"who_claims_what","status":"active","source_ids":["s20"],"source_status":"sourced","posted_by":{"actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z","model":"grok/grok-4.3","rationale":""},"who_claims":"grok-4.3","edges":[{"type":"supported_by","target":"s20","source_type":"reddit","hash":"1d2f26f24505f2d9"},{"type":"posted_by","actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z"}],"why_material":"Materialized from orphan source s20 by ledger repair","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c35","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c35"},{"id":"c36","div_id":"claim:c36","kind":"claim","text":"X post on peptide stacks pairing TB-500 with GLP-1s (semaglutide/tirzepatide) for fat loss and muscle recovery; anecdotal benefits listed.","tier":"anecdotal","standing":null,"weight":0.3,"section":"who_claims_what","status":"active","source_ids":["s21"],"source_status":"sourced","posted_by":{"actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z","model":"grok/grok-4.3","rationale":""},"who_claims":"grok-4.3","edges":[{"type":"supported_by","target":"s21","source_type":"x","hash":"3568e16149bde304"},{"type":"posted_by","actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z"}],"why_material":"Materialized from orphan source s21 by ledger repair","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c36","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c36"},{"id":"c37","div_id":"claim:c37","kind":"claim","text":"X post recommending BPC-157 + TB-500 stack with GLP-1s for muscle retention during fat loss; dosing not specified, anecdotal research use.","tier":"anecdotal","standing":null,"weight":0.3,"section":"who_claims_what","status":"active","source_ids":["s22"],"source_status":"sourced","posted_by":{"actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z","model":"grok/grok-4.3","rationale":""},"who_claims":"grok-4.3","edges":[{"type":"supported_by","target":"s22","source_type":"x","hash":"5a8b972710407781"},{"type":"posted_by","actor":"grok/grok-4.3","channel":"populate-repair","ts":"2026-06-29T17:21:21.198Z"}],"why_material":"Materialized from orphan source s22 by ledger repair","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c37","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c37"},{"id":"c38","div_id":"claim:c38","kind":"claim","text":"TB-500 and GLP-1 Agonist-Associated Lean Mass Changes: Evidence Mapping is catalogued in this miscsubjects ledger as a tier-honest evidence graph (claims + hash-chained sources). This page summarizes what is claimed in the literature and online about the topic — not clinical recommendations.","tier":"system","standing":null,"weight":0.35,"section":"what_it_is","status":"active","source_ids":[],"source_status":"unsourced","posted_by":{"actor":"miscsubjects protocol","channel":"protocol/fill-slots","ts":"2026-06-29T20:28:05.462Z","model":"fill-slots","rationale":""},"who_claims":"miscsubjects protocol","edges":[{"type":"posted_by","actor":"miscsubjects protocol","channel":"protocol/fill-slots","ts":"2026-06-29T20:28:05.462Z"}],"why_material":"Required constitution slot: what_it_is","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c38","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c38"},{"id":"c39","div_id":"claim:c39","kind":"claim","text":"Hash-chained sources verify integrity, not clinical truth. Evidence mix is predominantly preclinical and anecdotal; human data are sparse. No dosing, protocol, or treatment recommendations — catalogue only.","tier":"mechanistic","standing":null,"weight":0.3,"section":"limitations","status":"active","source_ids":[],"source_status":"unsourced","posted_by":{"actor":"miscsubjects protocol","channel":"protocol/fill-slots","ts":"2026-06-29T20:28:06.909Z","model":"fill-slots","rationale":""},"who_claims":"miscsubjects protocol","edges":[{"type":"posted_by","actor":"miscsubjects protocol","channel":"protocol/fill-slots","ts":"2026-06-29T20:28:06.909Z"}],"why_material":"Required constitution slot: limitations","content_hash":null,"stable_url":"https://miscsubjects.com/i/claim/tb-500-glp1-muscle-loss/c39","machine_url":"https://miscsubjects.com/api/articles/tb-500-glp1-muscle-loss/claims/c39"}],"sources":[{"id":"s1","type":"review","url":"https://www.ahajournals.org/doi/10.1161/CIRCULATIONAHA.124.067676","title":"Muscle Mass and Glucagon-Like Peptide-1 Receptor Agonist Effects","quote":"Semaglutide has been associated with loss of lean mass up to 40% of total weight loss... In STEP 1... yielding a fraction of weight lost from lean mass of 45.5%. ... SURMOUNT-1... yielding a fraction of weight lost from lean mass of 25.7%.","summary":"Summarizes DXA data from major GLP-1 trials on lean mass fractions of weight loss.","claim_ids":["c1","c2"],"found_by":"grok/grok-4.3","hash":"b0672295dc3a4e5e0e2bcb4cbfb0e9ea91a9201f599349c63912f0d94806a79a","prev":"genesis"},{"id":"s2","type":"review","url":"https://www.innerbody.com/thymosin-beta-4-and-tb-500","title":"TB4 and TB-500 Peptide Therapy | What to Know in 2026","quote":"A phase 1 safety study in healthy volunteers demonstrated that recombinant thymosin beta-4 was well tolerated... no dose-limiting toxicities or serious adverse events... Early human trials show it is safe and biologically active.","summary":"Reviews human trial safety data and mechanistic actions of thymosin beta-4/TB-500.","claim_ids":["c3","c5","c6","c7"],"found_by":"grok/grok-4.3","hash":"72fce1583a1b9c203b30e44b4d7279349a06cfcb80b17f0e6aa0a38391cdb6ec","prev":"b0672295dc3a4e5e0e2bcb4cbfb0e9ea91a9201f599349c63912f0d94806a79a"},{"id":"s3","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/10469335/","title":"Thymosin beta4 accelerates wound healing","quote":"we investigated whether the angiogenic thymic peptide thymosin beta4 (Tbeta4) enhanced wound healing in a rat full thickness wound model.","summary":"1999 rat study establishing preclinical wound healing acceleration.","claim_ids":["c4"],"found_by":"grok/grok-4.3","hash":"ce5d5b4f6c451fbc3f6423304d34f4a3664c916dfc934fa79f5ef286a87dfc43","prev":"72fce1583a1b9c203b30e44b4d7279349a06cfcb80b17f0e6aa0a38391cdb6ec"},{"id":"s4","type":"review","url":"https://pubmed.ncbi.nlm.nih.gov/41476424/","title":"Injectable Peptide Therapy: A Primer for Orthopaedic and Sports Medicine Physicians","quote":"TB-4 and its derivative TB-500 promoted angiogenesis and tissue repair in preclinical models, but human orthopaedic data are lacking, and both remain banned substances in sports.","summary":"2026 narrative review noting preclinical benefits of TB-500 for tissue repair but lack of human orthopaedic evidence; no specific GLP-1 mention but relevant to muscle contexts.","claim_ids":["c7"],"found_by":"grok/grok-4.3","hash":"7d24c5ec67068dde77631199224b229b081a9eae5e8b2c99dd495277492264ce","prev":"ce5d5b4f6c451fbc3f6423304d34f4a3664c916dfc934fa79f5ef286a87dfc43"},{"id":"s5","type":"medical","url":"https://formblends.com/articles/peptide-hub/tb-500-with-glp-1-best-protocol","title":"TB-500 with GLP-1: Best Protocol","quote":"TB-500 supports the musculoskeletal system by accelerating repair of exercise-induced damage, helping patients maintain consistent training schedules.","summary":"Clinic article from Apr 2026 detailing protocol for combining TB-500 with GLP-1 agonists specifically for musculoskeletal recovery and lean mass support during weight loss.","claim_ids":["c7"],"found_by":"grok/grok-4.3","hash":"aeb20e722c41196ab43afb1561e5d3ee4a8f05d3c8cd08e520cd91247c983b5c","prev":"7d24c5ec67068dde77631199224b229b081a9eae5e8b2c99dd495277492264ce"},{"id":"s6","type":"medical","url":"https://peptiq.io/blog/peptide-stacking-muscle-preservation-glp1","title":"Peptide Stacking for Muscle Preservation on GLP-1s: The Complete Protocol","quote":"Research demonstrates TB-500 reduces muscle cell apoptosis (programmed death) under stress conditions, including caloric deficit. Users running GLP-1s alongside TB-500 consistently report better muscle retention and faster recovery from resistance training.","summary":"Apr 2026 blog on stacking TB-500 (among others) to counteract muscle loss from GLP-1 weight loss drugs via satellite cell activation and anti-apoptosis effects.","claim_ids":["c13"],"found_by":"grok/grok-4.3","hash":"27c4b04a0cd7b07b95add99bf0b28db319ec9ed151c94947ee7b6b3255f3be67","prev":"aeb20e722c41196ab43afb1561e5d3ee4a8f05d3c8cd08e520cd91247c983b5c"},{"id":"s7","type":"reddit","url":"https://www.reddit.com/r/crossfit/comments/1m6zca5/thoughts_on_bpc157/","title":"Thoughts on BPC-157?","quote":"The last few weeks have shown pretty significant reduction in pain since I added TB-500.","summary":"Reddit anecdote in context of peptides, with mentions of Ozempic/GLP-1 users seeking recovery aids.","claim_ids":["c14","c20","c7"],"found_by":"grok/grok-4.3","hash":"44f222793ebbb2032b2986f4755609aff7423de90a212d67278afe64c67aba36","prev":"27c4b04a0cd7b07b95add99bf0b28db319ec9ed151c94947ee7b6b3255f3be67"},{"id":"s8","type":"other","url":"https://glp1forum.com/threads/bpc157-tb500.13222/","title":"BPC157/TB500","quote":"Now - i cant train until i get this sorted and it heals without surgery, but i am running GH to help heal it, as well as our friend BPC157/TB500","summary":"GLP-1 forum thread (Mar 2026) with user anecdotes on using TB-500/BPC-157 for injury recovery while on or considering GLP-1 therapies.","claim_ids":["c7"],"found_by":"grok/grok-4.3","hash":"cb7ca09d16685614279be454f6aee04ba0be4fa77efea20204b56962f3fd9a25","prev":"44f222793ebbb2032b2986f4755609aff7423de90a212d67278afe64c67aba36"},{"id":"s9","type":"medical","url":"https://denverregenerativemedicine.com/wolverine-peptide-stack-injury-recovery-gh-restoration-glp1/","title":"The Wolverine Peptide Stack: A Clinical Guide for Injury Recovery, GH Restoration, and Muscle Preservation on GLP-1s","quote":"GLP-1 medications like Semaglutide are clinically associated with lean muscle loss alongside fat loss; the Wolverine stack may help offset this when combined with adequate protein intake and resistance training.","summary":"Clinic guide explicitly recommends TB-500 (as part of Wolverine stack with BPC-157 etc.) to help preserve lean muscle mass for patients on GLP-1 agonists like semaglutide/tirzepatide, citing muscle loss concerns and synergistic tissue support.","claim_ids":["c7"],"found_by":"grok/grok-4.3","hash":"ed13d1b4ddca16f8b729a2fd5912bf2f2e2ca381733f3fc562f6b4fdc7f15f8f","prev":"cb7ca09d16685614279be454f6aee04ba0be4fa77efea20204b56962f3fd9a25"},{"id":"s10","type":"medical","url":"https://delawareintegrativemedicine.com/glp-1/","title":"GLP-1 | Delaware Integrative Medicine","quote":"To amplify these benefits, we harness the synergistic and complimentary effects of pairing GLP-1 with BCP-157 and TB-500 peptides. This strategic combination optimizes fat loss while preserving valuable muscle mass, paving the way for sustainable weight management and a healthier lifestyle.","summary":"Integrative medicine site promotes combining their GLP-1 peptide therapy with TB-500 (Thymosin Beta-4) and BPC-157 specifically for muscle repair, growth, and preserving muscle mass during weight loss, contrasting with synthetic GLP-1s that cause muscle loss.","claim_ids":["c17","c7"],"found_by":"grok/grok-4.3","hash":"fa85698b1ec2fc9c2c6499f43fefda4fb6d4b3731ebe5fc3d14643249ccfef02","prev":"ed13d1b4ddca16f8b729a2fd5912bf2f2e2ca381733f3fc562f6b4fdc7f15f8f"},{"id":"s11","type":"other","url":"https://www.redfoxpeptides.is/best-peptides-to-stack-with-tirzepatide/","title":"5 Best Peptides to Stack With Tirzepatide for Weight Loss","quote":"TB-500 provides systemic recovery support, reducing inflammation and improving flexibility during exercise protocols.","summary":"Peptide research article recommends stacking TB-500 with tirzepatide (GLP-1/GIP agonist) for muscle preservation, recovery, and reducing inflammation during weight loss, alongside other peptides like BPC-157 and GH secretagogues; includes user anecdote on similar stacking.","claim_ids":["c7"],"found_by":"grok/grok-4.3","hash":"ee6d8761372b82a0b3eb40f1f130e61106ba47a753b3d6ecbd00f06de5e6655d","prev":"fa85698b1ec2fc9c2c6499f43fefda4fb6d4b3731ebe5fc3d14643249ccfef02"},{"id":"s12","type":"reddit","url":"https://www.reddit.com/r/NTNPerformance/comments/1tc5a9d/peptide_stacking_cheat_sheet_what_goes_together/","title":"Peptide stacking cheat sheet. 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