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Peptide Library / Sexual Health / Neuro

Oxytocin Acetate

Nonapeptide hormone

Oxytocin Acetate Research Protocol

Complete Research Guide 4 min read1 peer-reviewed references

Quickstart Overview

Oxytocin is a nine-amino-acid neurohypophysial hormone central to social bonding, trust, mood and reproductive physiology. Research protocols study it — usually intranasally — for its effects on social behaviour, anxiety and emotional connection.

Reconstitution
Reconstitute to an intranasal solution (or SC with bac water)
Literature Range
~24 IU intranasal in many studies
Measuring Reference
Metered nasal spray dosing
Frequency
As needed
Route (studies)
Intranasal
Onset
~30–45 min

Scientific Data

Molecular Formula
—
Molecular Weight
1007.19 Da
Sequence
CYIQNCPLG-NH2 (disulfide)
Sequence Length
20
CAS
Research compound
Peptide Family
Neurohypophysial hormone
Half-life
Refer to published literature
Solubility
Bacteriostatic water, sterile saline
Storage
Lyophilized: -20°C. Reconstituted: 2–8°C, use within 2–4 weeks.
Appearance
White lyophilized powder
Standard: 5 mg vial · 2 mL diluent

Dosing & Reconstitution Guide

Interactive Reconstitution
Adjust vial size, diluent and target dose. Results update live.
Full Precision Calculator →
Concentration
2.50 mg/mL
Draw Volume
0.200 mL
Syringe Units
20.0 U
Doses / Vial
10

Units assume a U-100 insulin syringe (100 units = 1 mL). Usually dosed intranasally for central/behavioural research effects.

Frequency: As needed (intranasal)

Reconstitution Steps

  1. 1Allow the lyophilized vial and bacteriostatic water to reach room temperature (~15 min).
  2. 2Swab both vial stoppers with a fresh 70% isopropyl alcohol pad and let them dry.
  3. 3Draw 2.0 mL of bacteriostatic water into a mixing syringe.
  4. 4Insert at an angle and let the water run slowly down the glass wall — never directly onto the powder.
  5. 5Gently swirl (do not shake) until the solution is completely clear.
  6. 6Label with date and concentration (mg/mL) and refrigerate at 2–8 °C immediately.

Supplies Needed

Planning example for a 4-week protocol at approximately 500 mcg per day.

Peptide (5 mg vials)
Estimate vials from total mass: 500 mcg/day × 28 days.
Bacteriostatic Water
One 10–30 mL vial typically covers a full cycle.
Insulin Syringes (U-100)
One per administration (29–31 G, 0.3–0.5 mL).
Alcohol Swabs
Two per administration (vial + site).
Sharps Container
Required for safe disposal.

Protocol Overview

Goal
Model oxytocin's social, mood and stress-buffering effects.
Schedule
As needed, intranasal.
Dose Range
~24 IU intranasal.

Dosing Protocol

Standard (intranasal)
~24 IU equivalent per session in studies
Frequency
As needed / per protocol
SC
Lower mcg-range doses where injected
Cycle Length
Protocol-dependent
Timing
~30–45 min before a social/behavioural window
Route
Intranasal (or SC)

Storage Instructions

Lyophilized
−20 °C long term (18–24 months); stable at room temperature for short transit.
Reconstituted
2–8 °C refrigerated; use within 4 weeks.
Light
Protect from direct light; keep in the original carton.
Freeze/Thaw
Avoid repeat freeze–thaw cycles after reconstitution.

Important Notes

  • Intranasal is the standard route for behavioural research.
  • Effects on mood and behaviour vary between individuals.

How This Works

Oxytocin binds the oxytocin receptor in the brain and periphery. Centrally it modulates the amygdala and reward circuits, promoting bonding, trust, empathy and stress buffering; peripherally it drives uterine contraction and milk let-down. Intranasal administration is the common research route for central (behavioural) effects, as it provides some direct nose-to-brain access.

Potential Benefits & Side Effects

Reported in research
  • Enhanced social bonding, trust and empathy
  • Stress and anxiety buffering
  • Improved mood and emotional connection in studies
  • Well-characterised physiological hormone
Possible considerations
  • Nasal irritation (intranasal route)
  • Headache
  • Possible mood variability
  • Blood-pressure/heart-rate changes at high doses

Lifestyle Factors

  • Adequate hydration and 7–9 h of sleep are standard controls in most research protocols.
  • Consistent dose timing improves the reliability of any self-tracked endpoints.
  • Maintain a clean, sterile workflow for every draw to avoid contamination.

Injection Technique

  1. 1Tilt the head slightly forward and insert the metered sprayer into one nostril.
  2. 2Occlude the opposite nostril and sniff gently as you actuate the spray.
  3. 3Alternate nostrils between doses; do not blow the nose for ~10 minutes.
  4. 4Refrigerate the sprayer between uses and label with the fill date.

Frequently Asked Questions

Third-party HPLC testing

CG Labz Verified Batches

No published batches yet.

Research Disclaimer

All compounds are supplied strictly for laboratory research. Dosing figures below summarize ranges reported in published preclinical and clinical literature for reference purposes only. CG Labz does not provide medical advice or individualized dosing recommendations.

Peer-reviewed literature

References

  1. [1] Biological Psychiatry
    Kosfeld M. et al. Oxytocin increases trust in humans.
    View Source