Compare Peptides
Select any two compounds for a side-by-side comparison of mechanism, uses, risks, and FDA regulatory status.
Popular comparisons
A naturally occurring nonapeptide produced in the hypothalamus and released by the pituitary gland. Known as the 'bonding hormone' for its role in social bonding, trust, and attachment. Also has established medical uses in obstetrics. Growing interest in intranasal oxytocin for social anxiety, autism spectrum disorder, and relationship enhancement.
A synthetic heptapeptide analog of tuftsin developed by the Institute of Molecular Genetics in Russia. Approved in Russia as an anxiolytic and nootropic. Widely used for anxiety reduction and cognitive enhancement without sedation.
Binds to oxytocin receptors throughout the brain and body. In the brain, modulates the limbic system to reduce fear and increase trust and social engagement. Peripherally, stimulates uterine contractions (obstetric use) and milk ejection. Intranasal delivery allows direct access to the brain via the olfactory pathway.
Modulates GABA-A receptor activity and increases BDNF expression. Stabilizes enkephalins (endogenous opioid peptides) by inhibiting their enzymatic breakdown, prolonging their anxiolytic effects. Also modulates serotonin, dopamine, and norepinephrine systems.
- Social anxiety and social bonding
- Autism spectrum disorder support (investigational)
- Relationship and intimacy enhancement
- Postpartum bonding
- Labor induction (FDA-approved obstetric use)
- Anxiety and stress reduction
- Cognitive enhancement and focus
- Depression support
- Immune system modulation
- Memory improvement
- Potential for emotional dependency with frequent use
- May amplify negative social emotions as well as positive ones
- Headaches and nausea
- Intranasal use has limited long-term safety data
- Contraindicated in certain obstetric situations
- Limited Western clinical trial data
- Nasal spray may cause mild irritation
- Potential fatigue at higher doses
- Long-term safety profile not established in Western populations
- Interactions with other anxiolytics not well characterized
FDA-approved as Pitocin for obstetric use (labor induction, postpartum hemorrhage). Intranasal oxytocin for psychiatric and social indications is investigational — not FDA-approved for these uses. Available through compounding pharmacies with a prescription for off-label intranasal use.
Not FDA-approved and not currently on any FDA compounding list. Available as a research chemical. Approved in Russia as an anxiolytic drug. Not affected by the April 2026 Category 2 removal action.
This comparison is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before starting any peptide therapy.