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).
- High- vs low-dose oxytocin regimens for labor augmentation: a systematic review and meta-analysisAmerican journal of obstetrics & gynecology MFM · 2025 Feb · PubMed ↗
- Oxytocin dosing during trial of labor after cesarean to minimize the risk of uterine rupture: a systematic review and meta-analysisAmerican journal of obstetrics & gynecology MFM · 2026 Jan · PubMed ↗
- Analyses of the Effects of Wild-Type TDP-43 Overexpression in Oxytocin Neurons in MiceNeuropathology and applied neurobiology · 2026 Feb · PubMed ↗
- Current Perspectives on Oxytocin and Alzheimer's Disease-Related SymptomsCurrent Alzheimer research · 2026 · PubMed ↗
- Circadian Variation of Salivary Oxytocin in Young Adult WomenPsychophysiology · 2025 Sep · 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.