Oxytocin

Hormones & Endocrine (Non-GH)
Phase 4
FDA Approved

Oxytocin is a naturally occurring nine-amino-acid hormone produced in the brain, often called the "love hormone" for its role in social bonding and trust. It is FDA-approved for inducing labor and controlling postpartum bleeding, and is also being studied for autism, anxiety, and social disorders.

Last updated March 6, 2026
281 PubMed-Verified Studies
Very Popular
Research-Driven Dosage Reports
RouteIntranasal · Intravenous (IV)
Dose20–40 IU (intranasal)
Frequency1–2× daily
DurationVariable

Based on published research literature.

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Overview of Oxytocin

Binds to oxytocin receptors in brain and peripheral tissues to modulate social behavior, reduce anxiety, and stimulate uterine contractions.

Social / emotional

Promotes pair bonding, maternal behavior, trust, and social recognition, and is released during positive social interactions and intimacy.

Reduces amygdala activation and stress responses; intranasal administration shows anxiolytic effects in research contexts.

Investigated for improving social cognition in autism spectrum disorders, with mixed results in research.

Reproductive / physiological

Stimulates smooth muscle contraction in uterus during labor, an FDA-approved medical use.

Triggers milk ejection during breastfeeding, an established lactation function.

CNS delivery

Intranasal administration proposed to enhance CNS delivery (proposed), which may enhance social and emotional effects

Read Full Oxytocin Dosage Guide

Research-backed dosing protocols, timing, and administration details

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Hormones & Endocrine (Non-GH)