Oxytocin
Nine-Residue Neurohypophyseal Hormone
Endogenous nonapeptide hormone studied for social-bonding, pair-bonding, and stress-response research. Available in 8 mg and 10 mg.
Cognitive & Nootropic
Category
From $62.99
Price
Research
Grade
Price
From $62.99
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Suggested Protocol
Intranasal research protocols commonly use 16–40 IU (~27–67 mcg) per administration, once or twice daily on dosing days; subcutaneous peripheral-endpoint research typically uses 100–300 mcg. An 8mg vial comfortably covers a 4–6 week pilot at modest intranasal doses. Reconstitute in bacteriostatic water, store in glass at 2–8 °C.
The 8mg format exists for a specific kind of study: intranasal oxytocin research where dosing is measured in IU rather than milligrams, and where the entire experimental arm is expected to consume far less than a full 10mg vial before the molecule's stability window closes. Intranasal protocols in the social-cognition literature commonly centre on 16–40 IU (roughly 27–67 mcg) per administration; even a generously-powered pilot rarely exhausts 8mg of peptide. Sizing the vial to the study rather than the other way round reduces waste and the temptation to extend dosing past the reconstitution shelf-life.
Specifications
| Product | Oxytocin |
|---|---|
| Category | Cognitive & Nootropic |
| Format | Lyophilized powder |
| Price | From $62.99 |
Format Fit
Why a Smaller Vial Is Not Just a Smaller Vial
Intranasal oxytocin research is dosed in IU, not mg. A full 10mg vial can exceed the total peptide needed for an entire short-duration pilot, and once reconstituted the product has a finite in-use shelf-life. The 8mg size is for researchers who want the maths to end cleanly without carrying excess peptide past stability.
Receptor Profile
OXTR Is the Whole Story
Every documented oxytocin effect at these doses goes through the single oxytocin receptor (OXTR), a class-A GPCR. Its expression on fibroblasts, osteoblasts, cardiomyocytes, and limbic circuitry is what drives interest in this peptide for non-reproductive research.
In-Use Stability
Reconstitute, Refrigerate, Respect the Window
Oxytocin's disulfide is oxidation-sensitive and the molecule binds plastic. Reconstituted vials belong in glass at 2–8 °C. A smaller vial suits short campaigns precisely because you are less tempted to push peptide past its stability window.
Reported Outcomes
Right-sized vial for short intranasal research arms — 8mg maps cleanly onto a 4–6 week pilot at 20–30 IU/day
Identical nine-residue cyclic structure to the 10mg format and to endogenous oxytocin
OXTR-targeted: binds the same characterised GPCR responsible for documented fibroblast, osteoblast, and stress-axis effects
Cyclic peptide with intramolecular disulfide — established ligand, well-behaved in receptor assays
Smaller total peptide mass reduces waste when only a fraction of a full vial is needed
Batch-level COA with identity, purity, and endotoxin data
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From $62.99
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Full Protocol
Intranasal research protocols commonly use 16–40 IU (~27–67 mcg) per administration, once or twice daily on dosing days; subcutaneous peripheral-endpoint research typically uses 100–300 mcg. An 8mg vial comfortably covers a 4–6 week pilot at modest intranasal doses. Reconstitute in bacteriostatic water, store in glass at 2–8 °C.
Oxytocin — FAQs
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