Oxytocin
Also known as: OXT, Pitocin (pharmaceutical brand)
A naturally occurring neuropeptide hormone involved in social bonding, trust, and stress reduction. Used intranasally for social and emotional effects, and medically for labor induction.
Beginner Basics
Plain-English guide to Oxytocin
What it does
This is a natural hormone your body makes that helps with social connection, trust, and emotional comfort. Researchers study it for its ability to reduce anxiety and help people feel more connected during social interactions.
Typical dose
Researchers typically use 10-40 units sprayed into the nose once or twice daily, depending on the study goals.
When to inject
For research purposes, intranasal use is typically done before social situations or as needed. Timing depends on when you want the effects to occur.
Storage
Keep the dry powder in a freezer at -20°C (about -4°F). Once mixed with liquid, store it in a regular refrigerator between 2-8°C (35-46°F) and keep it away from light.
First-timer tip
Start with the lower end of the dose range (10 IU) to see how your body responds before increasing, since this peptide affects mood and emotions.
On This Page
Research Status
Extensive Clinical Data
For research purposes only. Not approved for human use. Not medical advice.
Research Areas
Side Effects
Occurs with intranasal administration. Usually resolves within minutes to hours. Alternate nostrils with each dose if using intranasal route.
May occur shortly after administration. Typically mild and self-resolving. Ensure adequate hydration.
Transient vasodilation effect. Usually lasts 5-15 minutes. No intervention required.
More common at higher doses. May be reduced by taking with food or reducing dose.
Paradoxical response in some individuals, particularly those with social anxiety or trauma history. Consider dose reduction or discontinuation if persistent.
Localized redness, itching, or mild pain at injection site. Rotate sites to minimize. Usually resolves within hours.
Oxytocin has mild antidiuretic properties. Risk increases with high doses or prolonged use. Symptoms include confusion, headache, seizures. Seek medical attention if suspected. Monitor sodium levels with chronic use.
Oxytocin stimulates uterine smooth muscle. Women of childbearing age should be aware of potential menstrual changes or cramping. Avoid use during pregnancy.
Oxytocin can cause transient changes in blood pressure. Individuals with hypertension or cardiovascular disease should use with caution and medical supervision.
Dosing Reference
| Parameter | Value |
|---|---|
| Dose range | 10-40 IU |
Frequency, timing and route - members only | |
Research disclaimer
Figures drawn from published research literature and community logs. Not clinical recommendations. Consult a qualified professional. Research use only.
Reconstitution Guide
Do not use saline or bacteriostatic saline, use only bacteriostatic water for reconstitution
Do not shake the vial vigorously; gentle swirling prevents peptide degradation
Discard immediately if the solution appears cloudy, discolored, or contains visible particles
Use within 30 days of reconstitution when stored at 2-8°C
Do not freeze the reconstituted solution; freezing may denature the peptide
Use the PeptideVolt reconstitution calculator for your exact concentration
Molecular and Pharmacological Data
| Molecular weight | 1007.19 |
| Half-life | 1-6 minutes (IV); 10-20 minutes (intranasal, due to slower absorption) |
| Sequence | Members only |
Oxytocin is a neuropeptide hormone that binds to oxytocin receptors in the brain, particularly in regions associated with social behavior, emotional processing, and stress regulation (amygdala, anterior cingulate cortex, and nucleus accumbens). It modulates the hypothalamic-pituitary-adrenal (HPA) axis, reducing cortisol release and promoting parasympathetic nervous system activity. This leads to increased trust, empathy, and social bonding while simultaneously reducing anxiety and defensive responses.
Track your Oxytocin research
Free account. No credit card required.
Browse the Research Library
40+ peptide profiles with mechanism summaries, dosing data, and reconstitution guides.
View all peptidesResearch Use Only. All content on this page is provided for informational and educational purposes related to scientific research. Oxytocin is not approved for human use by the FDA or any equivalent regulatory body. This is not medical advice. Do not use any substance discussed here for therapeutic, diagnostic, or preventative purposes. Consult a qualified healthcare professional before making any health-related decisions. The Peptide Volt does not endorse the use of any research chemicals. 18+ only.