Sexual Health injectableintranasal

Oxytocin

By Hack SmithLast updated: How we research

Sexual function, social bonding, social anxiety, and prosocial behavior; labor induction (approved indication)

Oxytocin is a nine-amino-acid neuropeptide hormone produced in the hypothalamus and released by the posterior pituitary. It is best known for its roles in uterine contraction, lactation, and social bonding (the "bonding hormone"). In the research/community context, oxytocin is explored for its effects on sexual response and orgasm intensity, social anxiety reduction, pair bonding, and mood modulation via intranasal or subcutaneous delivery. FDA-approved as Pitocin for labor induction; intranasal and subcutaneous uses in social/sexual enhancement and mood are off-label. Short plasma half-life (~1–6 min IV) is offset by slower central effects with intranasal delivery. Dosing in IU (international units) for intranasal use.

Common Uses
  • Bonding/Social
  • Sexual Function
  • Mood
Evidence Grade
A — Strong — Human clinical trial data
Well-characterized hormone; FDA-approved as Pitocin for labor induction. Intranasal social/sexual uses are off-label/less established.
Safety Notes

Pregnancy caution (uterine effects); cardiovascular and hyponatremia risk at higher doses.

Mechanism of Action

A nine-amino-acid neuropeptide hormone and oxytocin-receptor agonist involved in social bonding, sexual response/orgasm, uterine contraction, and lactation; also studied for mood and social behavior.

🔬 Related compounds
Bremelanotide (PT-141)Melanotan 2 (MT-2)
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Full Oxytocin protocols — frequency, timing, cycle length, reconstitution & research

Frequency: Per protocol
Side Effects
Compatible Stacks
PT-141 (Bremelanotide)
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