VIP vs Oxytocin vs Kisspeptin
Mechanism, receptor target, half-life, dose, and best-price vendor side by side.
Pick 2–3 peptides to compare
3 selected (maximum).
| Field | VIP | Oxytocin | Kisspeptin |
|---|---|---|---|
| Receptor target | VPAC1 / VPAC2 receptors | Oxytocin receptor (OXTR) | Kiss1R (GPR54) — HPG axis |
| Mechanism class | hormone analog | hormone analog | hormone analog |
| Half-life | ~2 minutes | ~3–5 minutes | ~30 minutes |
| Typical dose | 50–200 mcg intranasal | 10–40 IU intranasal | 1–5 mcg/kg IV / 1 mg SC |
| Sequence length | 28 residues | 9 residues | 10 residues |
| Best-price vendor | Glacier Aminos → $49.49 (10mg) — $4.95/mg | Glacier Aminos → $41.99 (10mg) — $4.20/mg | Glacier Aminos → $30.74 (10mg) — $3.07/mg |
| See all vendors | /best/vip → | /best/oxytocin → | /best/kisspeptin → |
Dig deeper
Pricing pulls live from our vendor database. Molecular data comes from published peptide literature. For full dosing protocols, side effects, and research citations, open each peptide's individual page.