Sexual Health
Compounds acting on libido, arousal and sexual function.
PT-141 (Bremelanotide): The Brain-Acting Libido Peptide, Examined
An evidence-first look at PT-141 (bremelanotide): strong phase 3 data in premenopausal women with HSDD, weaker off-label use in men, and real safety trade-offs.
Oxytocin: The Evidence Behind the "Love Hormone"
Oxytocin's reputation as a trust and bonding hormone outpaces the human evidence — landmark findings failed to replicate and the pivotal autism trial was negative.
Kisspeptin-10: The HPG Axis Master Switch, Explained
Kisspeptin-10 reliably drives LH, FSH and testosterone in human trials, but the libido and fertility headlines mostly come from its longer cousin KP-54.
HMG (Human Menopausal Gonadotropin): The Original FSH+LH Fertility Drug
HMG is a regulator-approved fertility drug supplying both FSH and LH activity. Strong human evidence, real OHSS risk, and clinician-only use.
HCG: The LH Mimetic With Real Human Evidence
HCG is an FDA-approved LH mimetic with decades of human data — here's what the research actually shows on testicular testosterone, fertility and TRT.