Oxytocin
ox-ee-TOE-sin
The 'bonding' hormone — supports emotional connection, reduces stress, and is being explored for mood and social function.
Also known as: Pitocin, The Bonding Hormone
FDA approved for: Labor induction (Pitocin) · Postpartum hemorrhage
Last reviewed: April 2026
What It Does
Oxytocin is the hormone released during bonding activities — physical touch, nursing, orgasm, and social connection. Supplemental intranasal oxytocin is being explored for reducing anxiety, improving emotional connection, and supporting mood regulation.
Why People Take It
How It's Administered
Nasal
Nasal spray for direct brain access
Frequency
As directed
Pain Level
○○○ None
Self-Administered
Yes — at home
Typical Range
10–40 IU
What To Expect
Minutes
Calming effect. Reduced anxiety in social settings.
Week 2–4
Improved emotional baseline with regular use.
Side Effects
Overall: Mild
Common (1–10%)
Nasal irritation
Mild irritation from nasal spray.
Uncommon (0.1–1%)
Water retention
At higher doses, may retain fluid.
Who Should NOT Take This
• Pregnancy (except under OB supervision for labor)
• Caution in those with water retention issues
Drug Interactions
• Vasopressors — opposing effects
• Other nasal medications — space administration
Pregnancy: Used medically for labor induction. Do NOT self-administer during pregnancy.
Clinical Details
Show Clinical Details (for healthcare professionals)Hide Clinical Details▼
Half-Life
~3–5 minutes (plasma) — central effects last longer
Bioavailability
Intranasal reaches CNS via direct neural transport
Mechanism of Action
Binds to oxytocin receptors in the brain (amygdala, hypothalamus) and peripheral tissues. Central effects include anxiolysis, enhanced social cognition, and stress reduction. Intranasal delivery bypasses BBB via olfactory and trigeminal nerve pathways.
Published Research
Intranasal Oxytocin and Social Behavior (2010) ↗Frequently Asked Questions
This is a compounded medication prescribed off-label. It has not been FDA-approved for the uses described. All prescribing decisions are made by your independent licensed provider.