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peptide

Oxytocin

strongFDA-Approved· RxIntranasalInjection

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
Doses studied
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
Stacks well with
Selank, DSIP
Legal status
FDA-Approved · prescription required
Quick stats
Type
Peptide
Administration
Intranasal, Injection
Studies referenced
20
Stacks with
2 peptides
Regulatory
FDA-Approved
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.

Goal coverage · Oxytocin
😌 Mood & Anxiety7/10
😴 Sleep4/10
🧊 Inflammation2/10
FIG.1  Modeled goal coverage from reviewed studies. Score out of 10.
Medical oversight requiredNot safe during pregnancy· 4 contraindications
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