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Oxytocin

FDA-Approved• Prescribable
peptideIntranasalInjection

The bonding hormone released during social connection. Promotes trust, empathy, and closeness while reducing anxiety and cortisol.

Key Facts

  • Classification
    Oxytocin is a cyclic nonapeptide from hypothalamic nuclei.
  • Primary Benefits
    Mood & Anxiety (7/10) · Sleep (4/10) · Inflammation (2/10)
  • Administration
    Intranasal, Injection
  • Typical Dose
    10-24 IU as a nasal spray as needed, or 10-20 IU subq. Not meant for daily chronic use.
  • Evidence Strength
    Strong — 20 peer-reviewed studies referenced · Community sentiment 10/10
  • Stacks Well With
    Selank, DSIP
  • Legal Status
    FDA-Approved · prescription required

Quick Facts

From price
$40
Type
peptide
Administration
Intranasal, Injection
Evidence
strong
Studies referenced
20
Community sentiment
10/10
Stacks with
2 peptides
Regulatory
FDA-Approved

Top benefits

😌 Mood & Anxiety
7/10
😴 Sleep
4/10
🧊 Inflammation
2/10
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1

Week 1–2

Acute effects within 30-60 minutes of intranasal dosing — increased feelings of trust, bonding, and social comfort. Reduced social anxiety.

2

Week 3–6

Improved relationship quality and social engagement. Reduced stress response in social situations. Better emotional regulation and empathy.

3

Week 8+

Sustained improvements in social cognition and anxiety. May help establish healthier social patterns that persist beyond treatment.

Common Side Effects

Nasal irritation (intranasal)HeadacheNauseaUterine contractions (high doses)Emotional sensitivity
Tolerance: Possible mild tolerance with daily use — as-needed dosing preferred
Cycling: Use as needed for social situations, or 4-6 weeks daily for therapeutic courses. 2-4 weeks off between courses.

Scientific Overview

Oxytocin is a cyclic nonapeptide from hypothalamic nuclei. Beyond parturition and lactation, it modulates social cognition, pair bonding, and stress responses via OXTR signaling. Intranasal delivery achieves CNS penetration via olfactory/trigeminal pathways.

Dosing

10-24 IU as a nasal spray as needed, or 10-20 IU subq. Not meant for daily chronic use.

Reconstitution, storage, injection sites & timing

Benefit Profile

😌 Mood & Anxiety
7/10
😴 Sleep
4/10
🧊 Inflammation
2/10
Medical oversight requiredNot safe during pregnancy· 4 contraindications