{"slug":"pt-141-brain-fog","verification":{"valid":true,"entries":5,"head":"e8fca538874524c93376167befc40527f70314e15dc6a24a9c53080d648933cb"},"count":5,"sources":[{"id":"s1","type":"pubmed","url":"https://pubmed.ncbi.nlm.nih.gov/12851303/","title":"PT-141: a melanocortin agonist for the treatment of sexual dysfunction","quote":"PT-141, a synthetic peptide analogue of alpha-MSH, is an agonist at melanocortin receptors including the MC3R and MC4R, which are expressed primarily in the central nervous system.","summary":"Early paper on PT-141 mechanism and animal data for sexual function.","claim_ids":["c1"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-06-30T01:21:11.452Z","link_status":"ok","quote_status":"verified","prev":"genesis","hash":"bed38b40f59a8a0fea848b4a6544e9c2e699a27f44fbf385f7f9fa36fd6322de"},{"id":"s2","type":"review","url":"https://tydes.is/pt-141-peptide-benefits-mechanism-research-applications/","title":"PT-141 Peptide (Bremelanotide): Mechanism, Benefits, ...","quote":"Preclinical studies suggest that PT-141 may influence cognitive function, mood regulation, and stress resilience by modulating melanocortin pathways in the brain.","summary":"Summarizes available research tiers and notes lack of human cognitive trials.","claim_ids":["c2","c3"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-06-30T01:21:11.452Z","link_status":"ok","quote_status":"unverified","prev":"bed38b40f59a8a0fea848b4a6544e9c2e699a27f44fbf385f7f9fa36fd6322de","hash":"398bd65e9ee3fbf0a272686cd44693e9df655640f80dae1240b3afd9dd91be93"},{"id":"s3","type":"reddit","url":"https://www.reddit.com/r/Biohackers/comments/1jdk15l/to_those_who_have_tried_the_sexpeptide_pt141_have/","title":"To Those Who Have Tried The \"Sex-Peptide\" PT-141","quote":"Severe anhedonia, brain fog, and loss of attraction with high testosterone.","summary":"Thread contains mixed user reports including negative cognitive effects.","claim_ids":["c4"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-06-30T01:21:11.452Z","link_status":"ok","quote_status":"unverified","prev":"398bd65e9ee3fbf0a272686cd44693e9df655640f80dae1240b3afd9dd91be93","hash":"84239de76d84a93670ed8f636b1b03f4370b3b907bddf8a0d366652816c01013"},{"id":"s4","type":"reddit","url":"https://www.reddit.com/r/Biohackers/comments/1c39lie/pt_141_for_libido/","title":"PT 141 for libido","quote":"I have an increased sense of well-being, almost zero depression...","summary":"Additional anecdotal thread with both positive and cautionary comments.","claim_ids":["c4"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-06-30T01:21:11.452Z","link_status":"ok","quote_status":"unverified","prev":"84239de76d84a93670ed8f636b1b03f4370b3b907bddf8a0d366652816c01013","hash":"a42f0f01d78485c35ed289e3b3586f3278c7be8e796b0d74f53f478e0e2e4321"},{"id":"s5","type":"x","url":"https://x.com/juan_zunigajr/status/2069111120393011350","title":"X post by @juan_zunigajr","quote":"Low energy. Brain fog. No libido. ... NAD+ and PT-141 are two peptides many people look into for those exact reasons.","summary":"Representative X mention pairing PT-141 with brain-fog symptoms.","claim_ids":["c5"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-06-30T01:21:11.452Z","link_status":"ok","quote_status":"unverified","prev":"a42f0f01d78485c35ed289e3b3586f3278c7be8e796b0d74f53f478e0e2e4321","hash":"e8fca538874524c93376167befc40527f70314e15dc6a24a9c53080d648933cb"}]}