Oxytocin vs Selank
FDA Approved vs Well Studied
synergistic Complementary anxiolytic effects—Selank modulates GABA; oxytocin acts on central receptors.
Molecular Data
Oxytocin Selank
Weight 1,007.19 Da 751.89 Da
Half-life 3-6 minutes 2-10 minutes
Chain 9 amino acids 7 amino acids
Type Cyclic nonapeptide Tuftsin analog
Key Benefits
Oxytocin
01 FDA-approved for labor induction with precise dosing via IV
02 Immediate onset in obstetric settings
03 Established safety profile in clinical use
04 Researched for anxiety, PTSD, autism, sexual dysfunction
Selank
01 Rapid onset anxiolytic effects
02 Enhanced BDNF expression (30% increase)
03 Improved stress resilience
04 Cognitive enhancement
05 Immune modulation
06 No tolerance or withdrawal
07 Neuroprotective effects
Dosing Protocols
Oxytocin
Intranasal: 20-24 IU; Injectable: 10-40 IU; Sublingual: 50-100 IU / As needed for social/sexual support, or 1-2x daily for anxiety/PTSD protocols; max 1 dose per 24hr for sexual function
Labor Induction 0.5-2 mU/min initial, titrate to 1-2 mU/min every 30-60 min Continuous IV infusion
Postpartum Hemorrhage Prevention 10 units IM or 10-40 units in IV solution Single dose after placental delivery
Selank
250-500mcg per dose / 1-2x daily (morning and/or evening)
Mild anxiety relief 250mcg 1x daily
Moderate anxiety/cognitive 250mcg 2x daily (morning & evening)
Intensive anxiety support 500mcg 1x daily (divided doses)
Cognitive enhancement 250-350mcg 1x daily (morning)
PTSD support 250mcg 2x daily
Immune support 250mcg 1x daily for 2-4 weeks
Side Effects
Oxytocin
Mild headache
Nasal irritation (intranasal)
Nausea or vomiting
Transient blood pressure changes
Selank
Minimal side effects - excellent safety profile
No sedation or cognitive impairment
No tolerance, dependence, or withdrawal
Contraindications
Certain obstetric conditions (see prescribing info)
Pregnancy (without medical supervision)
Active sinus infection (intranasal)
Severe hyponatremia
Known peptide allergies
Pregnancy or breastfeeding
Consult healthcare provider with multiple psychiatric medications
Research Evidence
Oxytocin Selank
Status FDA Approved Well Studied
References 3 studies 4 studies
Latest — March 2024
FDA Approved Yes No
This comparison is for educational and research purposes only. Consult a healthcare professional before use.