HCG
Also known as · Human Chorionic Gonadotropin
to clear
How a single dose clears, assuming first-order elimination. The half-life is the biggest driver of how often you dose — start a cycle to see your own cumulative concentration curve.
A gonadotropin that mimics LH, used to maintain testicular size/fertility on TRT and to restart natural production. Prescription only.
Binds LH receptors on testicular Leydig cells to stimulate intratesticular testosterone and spermatogenesis.
250–1000 IU subQ, 2–3× weekly; dose to goal (fertility vs. maintenance).
Refrigerated after reconstitution; use within weeks.
This page summarizes publicly available information. None of it constitutes medical advice, prescription, or recommendation to acquire, possess, or use any compound. Many peptides described are research chemicals not approved for human use in the EU. Consult a licensed physician.
PT-141
A melanocortin-receptor agonist approved (Vyleesi) for low sexual desire; acts on the brain rather than vasculature.
Kisspeptin-10
A hypothalamic peptide that drives reproductive hormone signaling; studied for libido, fertility, and HPG-axis support.
Oxytocin
The 'bonding' hormone, studied (often intranasally) for social connection, mood, and intimacy. A prescription hormone.