oxytocin vs pt-141
oxytocin (B-tier) vs pt-141 (A-tier). mechanism, trials, evidence boundaries, dosing literature. side-by-side reference.
oxytocin · tier B
the 'love hormone.' FDA-approved for labor since 1962. off-label for bonding, anxiety, and sexual function.
the 'love hormone.' FDA-approved for labor since 1962 (Pitocin). the off-label social, emotional, and sexual lane is a different evidence story.
FDA '62 Pitocin · labor · half-life 3-5 minutes in plasma (IV); intranasal CSF half-life approximately 20 minutes · libido
pt-141 · tier A
the FDA-approved sex peptide for acquired generalized HSDD in premenopausal women. off-label male use is a separate evidence lane.
FDA-approved as Vyleesi for HSDD in premenopausal women. the louder cultural use case (male PDE5 non-responders) is off-label and being formally tested.
FDA '19 Vyleesi · HSDD · half-life ~2 hours (peak central effect 45-60 min) · libido
at a glance
reptides grades the research record and cites the literature behind every call. research reference only; not medical advice.