Community protocol
Third-partyOxytocin 10mg
- 01Reconstitution solution
- 1 mL
- 02Dose
- 0.5 mg
- 03Syringe units
- 5 units
- 04Frequency
- 7x/week
- 05Cycle length
- 90 days
- 06Bacteriostatic water
- 1 mL
- 07Bottle size
- 10 mg
- 08Bottles needed
- 5
Oxytocin
An approved obstetric drug with a rigorous evidence base, and separately the subject of a large intranasal social-behaviour literature that has largely failed to replicate.
Overview
Oxytocin causes the uterus to contract and the breast to eject milk. Those effects are unambiguous and are what the drug is approved for. It is also released in the brain during social contact, which generated an enormous body of research into whether sniffing it changes trust, empathy or social behaviour. That second literature has held up poorly — large well-powered replications have generally found much smaller effects than the early studies, or none.
A nonapeptide synthesised in hypothalamic magnocellular neurons and released from the posterior pituitary. Acts at the Gq-coupled oxytocin receptor, raising intracellular calcium in uterine myometrium and myoepithelial cells. Uterine receptor density rises markedly at term, which is why sensitivity is gestation-dependent. Central oxytocinergic projections to amygdala, nucleus accumbens and prefrontal cortex underpin the social-behaviour hypothesis; intranasal delivery is presumed to achieve some CNS exposure, though the extent remains contested. Meta-analyses of intranasal oxytocin in social cognition report small and heterogeneous effects with evidence of publication bias, and the large phase 2 trial in autism was null.
Research areas
Labour inductionPostpartum haemorrhageSocial cognitionAutism
Community-specified data
Community dosage information
Community protocol
Third-partyOxytocin Nasal Spray
- 01Reconstitution solution
- Not specified
- 02Dose
- 0.3 mg
- 03Syringe units
- 3 units
- 04Frequency
- 3x/week
- 05Cycle length
- 90 days
- 06Bacteriostatic water
- Not specified
- 07Bottle size
- 10 mg
- 08Bottles needed
- Not specified
Source note: 3 sprays per dose. No reconstitution needed.
Not medical guidance. These third-party figures have not been independently verified, clinically reviewed, or endorsed by DB Peptide. They may be inaccurate or unsafe and should not replace product labelling or advice from a qualified clinician.
Dosing reported in the literature
Every protocol below is reproduced from a published study or approved labelling, with its source named. These are records of what was studied — not recommendations, and not a suggestion that any of them is appropriate for any person.
| Protocol as reported | Source |
|---|---|
| Intravenous infusion starting at 0.5–2 milliunits per minute, increased incrementally until adequate contraction pattern | Approved product labelling |
| 24 IU intranasally twice daily for 24 weeks in children and adolescents with autism spectrum disorderNo significant benefit over placebo on the primary social withdrawal endpoint. | Sikich et al., New England Journal of Medicine 2021 |
Trial status
Approved obstetric use is well established. The intranasal social-cognition literature is large, inconsistent, and includes a null phase 2 trial in autism.
Reported safety signals
- Uterine hyperstimulation can compromise fetal oxygenation — obstetric use requires continuous monitoring.
- Water intoxication and hyponatraemia can occur with prolonged high-dose infusion, from cross-reactivity at the vasopressin V2 receptor.
- Intranasal use in research has been well tolerated short-term, but long-term effects on a developing social-neuroendocrine system are unstudied.
- It is not an approved treatment for any psychiatric, relational or social indication.
Common questions
Does intranasal oxytocin actually make people more trusting?
The early studies said so and were widely reported. Larger, better-powered replications have generally not confirmed it, meta-analyses show small effects with signs of publication bias, and the largest clinical trial — in autism — found nothing. The obstetric effects are real; the social ones are much shakier than their reputation.
Primary sources
Medical disclaimer
This page is for informational and research purposes only. Nothing here constitutes medical advice. The compounds discussed are research chemicals. Consult a qualified clinician before starting any protocol.
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