What is Oxytocin?
Oxytocin is a nine-amino-acid hormone made in the hypothalamus and released by the pituitary gland.
How does Oxytocin work?
It acts on oxytocin receptors in the uterus, breast and brain, controlling contractions and milk let-down, and influencing social behavior.
What are researchers studying?
- ●Labor and childbirth
- ●Social bonding and behavior
- ●Intranasal oxytocin in psychiatric research
Where does the evidence stand?
FDA-approved (Pitocin) for use in labor and delivery under medical supervision.
Quick facts
- Research area
- Reproductive
- Third-party lab results
- 2 published COAs →
- Tested vendors tracking it
- 2 vendors →
Recent peer-reviewed research
The most relevant Oxytocin studies from the last three years, via PubMed (U.S. National Library of Medicine).
- The physiology and pharmacology of oxytocin in labor and in the peripartum periodAmerican journal of obstetrics and gynecology · 2024 Mar · PubMed ↗
- Oxytocin: physiology, pharmacology, and clinical application for labor managementAmerican journal of obstetrics and gynecology · 2024 Mar · PubMed ↗
- OxytocinCurrent biology : CB · 2025 Oct 20 · PubMed ↗
- Diabetes insipidus: Vasopressin deficiency…Annales d'endocrinologie · 2024 Jul · PubMed ↗
- Arginine vasopressin deficiency: diagnosis, management and the relevance of oxytocin deficiencyNature reviews. Endocrinology · 2024 Aug · PubMed ↗
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This guide summarizes published research for educational purposes only. It is not medical advice and does not describe how to use Oxytocin. Citations link to PubMed and are listed for reference — we haven't reviewed or endorsed their findings. Products referenced on The Peptide Audit are sold by third parties for laboratory research use only and are not for human consumption.