OnePin Peptide Library · Hormonal
Oxytocin
Pitocin · Syntocinon
Oxytocin is a naturally occurring nine-amino-acid neuropeptide hormone produced in the hypothalamus and released by the posterior pituitary gland. Often called the 'love hormone' or 'bonding hormone,' it plays critical roles in social bonding, sexual reproduction, childbirth, and lactation. Synthetic oxytocin (Pitocin) has been FDA-approved since the 1980s for induction of labor and control of postpartum hemorrhage.,Beyond its established obstetric uses, oxytocin has become the subject of extensive research into its effects on social behavior, trust, anxiety, and emotional processing. Intranasal administration allows the peptide to partially bypass the blood-brain barrier, and this route is used in most behavioral research. Subcutaneous oxytocin is also used in clinical and research settings for its peripheral and central effects.,Oxytocin's role extends beyond social behavior. It has anti-inflammatory properties, influences pain perception, regulates appetite, and affects cardiovascular function. Clinical trials have investigated its potential in autism spectrum disorder, social anxiety, PTSD, and depression, though results have been mixed and the field is still evolving.
Intranasal: 15-30 minutes before desired effect. SubQ: Per protocol. Pin alone.
Start here. Every protocol below is ordered lowest-first. Begin at the smallest effective dose, hold about a week to assess tolerance, and step up only if needed.
How it works
Binds to oxytocin receptors (OTR) in the brain, particularly in the amygdala, reducing fear and anxiety responses while enhancing social cognition, trust, and empathy.,Acts on uterine smooth muscle oxytocin receptors to stimulate contractions during labor, and on myoepithelial cells in the breast to promote milk ejection (let-down reflex).,Modulates the hypothalamic-pituitary-adrenal (HPA) axis, reducing cortisol release and attenuating the physiological stress response.
Binds to oxytocin receptors (OTR) in the brain, particularly in the amygdala, reducing fear and anxiety responses while enhancing social cognition, trust, and empathy.,Acts on uterine smooth muscle oxytocin receptors to stimulate contractions during labor, and on myoepithelial cells in the breast to promote milk ejection (let-down reflex).,Modulates the hypothalamic-pituitary-adrenal (HPA) axis, reducing cortisol release and attenuating the physiological stress response.
What to expect
Minutes to hours: Acute effects on mood, social openness, and calmness, particularly with intranasal route.
Evidence
Interactions & stacking
What's safe to combine, and what belongs in a separate pin.
Safe & synergistic
Keep separate
Pharmacokinetics
Storage. Store refrigerated at 2-8C. Protect from light. Oxytocin is sensitive to heat and degradation.
Regulatory status
FDA-approved as Pitocin for labor induction and postpartum hemorrhage. Intranasal and SubQ use for behavioral/anxiolytic purposes is off-label. Available by prescription.
Put it to work
Calculate, log & track
Open Oxytocin straight into OnePin with your vial and dose pre-filled, then let it handle the syringe math and remind you before the vial runs out.
Open Oxytocin in the app →Go deeper
The guide & community
The complete Oxytocin walkthrough, real protocol discussion and coaching live inside the BlessUp community on Skool.
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