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Cognitive Peptide

Oxytocin

4.9 (58 reviews)

Oxytocin is a naturally occurring 9-amino acid neuropeptide that supports social bonding, emotional regulation, and stress reduction, often called the “love hormone.”

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Description

What is Oxytocin?

Oxytocin is a naturally occurring neuropeptide consisting of 9 amino acids in a cyclic structure with a disulfide bridge. It is produced in the hypothalamus and released by the posterior pituitary gland, playing critical roles in both reproductive physiology and social behavior.

Best known for its roles in labor, breastfeeding, and pair bonding, oxytocin has gained significant research attention for its broader effects on social cognition, emotional regulation, stress reduction, and trust. It acts both as a hormone in the bloodstream and as a neurotransmitter in the brain.

Synthetic oxytocin (Pitocin) has been FDA-approved for decades for the induction of labor and management of postpartum hemorrhage. Research-grade oxytocin is studied in preclinical and clinical settings for its effects on social behavior, anxiety, and neuroendocrine function.

Research-grade oxytocin is not equivalent to pharmaceutical-grade Pitocin and is sold strictly for laboratory and research purposes only.

Research Applications

Areas of Investigation

Social Bonding

Social Cognition & Bonding

Extensively studied for its role in social recognition, trust, empathy, and pair bonding through oxytocin receptor activation in the brain.

Stress Reduction

Emotional Regulation & Stress

Investigated for anxiolytic effects and cortisol reduction, supporting emotional resilience and stress adaptation.

Hormonal Regulation

Neuroendocrine Research

Studied as a key mediator of the hypothalamic-pituitary axis in reproductive physiology, lactation, and parturition.

Behavior

Behavioral Research

Explored in clinical studies for potential effects on autism spectrum disorder, PTSD, and social anxiety.

Compound Profile

Technical specifications

What is Oxytocin?

Molecular Profile

Sequence

CYIQNCPLG-NH₂

Molecular Formula

C₄₃H₆₆N₁₂O₁₂S₂

Molecular Weight

1,007.19 g/mol

Appearance

White lyophilized powder

Form

Lyophilized (freeze-dried)

Handling & Shelf Life Guidelines

Storage & Stability

Storage (Pre-Reconstitution)

Store below -18°C, desiccated, away from light and moisture.

Storage (Post-Reconstitution)

Refrigerate at 2–8°C. For longer storage, aliquot and store below -18°C. Avoid freeze-thaw cycles.

Shelf Life

24 months from date of manufacture when stored as directed

Sensitivity Notes

Sensitive to heat, light, and moisture. Disulfide bridge is susceptible to reduction. Keep sealed until use.

Compliance & Clinical Overview

Regulatory & Research Status

FDA Status

FDA-approved as Pitocin for labor induction and postpartum hemorrhage. Research-grade peptide is not equivalent.

WADA Classification

Not currently listed as a prohibited substance.

Clinical Trial Status

Thousands of published studies covering reproductive physiology, social cognition, emotional regulation, and neuroendocrine function.

Published Studies

Thousands of published studies covering reproductive physiology, social cognition, emotional regulation, and neuroendocrine function.

Research Disclaimer

Research-grade product is for laboratory purposes only. Not equivalent to pharmaceutical Pitocin. Not intended for human consumption.

COA's (Certificate of Analysis)

Third Party Tested by Freedom Diagnostics

99.82%

Purity

Variant

Oxytocin

Lot #

GLZ-OXY-10MG-A

Labelled

10mg

Actual

12.55mg

Tested

3/29/2026

View COA

Frequently Asked Questions

Common questions about Oxytocin research

What is Oxytocin?

Oxytocin is a naturally occurring 9-amino acid neuropeptide produced in the hypothalamus. It plays key roles in social bonding, emotional regulation, stress reduction, and reproductive physiology.

Why is Oxytocin called the love hormone?

Oxytocin is released during social bonding activities such as physical contact, childbirth, and breastfeeding. Its effects on trust, empathy, and attachment have earned it this common nickname.

How should Oxytocin be stored?

Lyophilized oxytocin should be stored below -18°C, away from light and moisture. Once reconstituted, refrigerate at 2–8°C and use within 7 days.

Is Oxytocin the same as Pitocin?

Pitocin is a pharmaceutical-grade synthetic oxytocin approved by the FDA for labor induction. Research-grade oxytocin differs in manufacturing and purity specifications and is sold for laboratory use only.

What areas of research involve Oxytocin?

Oxytocin is studied across social cognition, autism spectrum disorder, PTSD, anxiety, stress physiology, and reproductive medicine.

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Every batch is independently tested, documented, and tied to a specific lot number prior to release. If documentation is missing or inconsistent, we will make it right.

Oxytocin

Description