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Oxytocin
Intimacy

Oxytocin

Connection & bonding

All-in monthly price

$239

No membership fee · this is the full price · free shipping · supply varies by dose

Medication, provider care, labs & dose adjustments — all in one price.
Supply varies by dose. Your provider sets your exact dose, so yours may vary — your refill arrives as you finish the last one.
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Add in-depth bloodwork

Optional — add a physician-reviewed at-home blood panel to your plan.

At-home kit (1 device)+$149

Your sex-hormone baseline plus the safety markers that matter on therapy — blood counts, liver and kidney function — from one painless upper-arm device. Matched to your sex (PSA for men; progesterone & FSH for women). No needle, no clinic, physician-reviewed.

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This treatment requires licensed provider review and approval. Treatment is not guaranteed. If prescribed, medication is fulfilled by a licensed U.S. pharmacy where permitted by law. Compounded medications are not FDA-approved or FDA-cleared.

Dr. Gene
Physician Reviewed

Reviewed by Dr. Gene, MD · Board-certified Family Medicine

Every Pepti prescription is reviewed by a licensed U.S. physician before it's dispensed — and only provided if clinically appropriate.

About

Oxytocin

The bonding hormone supports emotional connection, reduces stress, and enhances intimacy.

Benefits
Emotional bonding
Stress reduction
Mood support
Intimacy enhancement
Supply per fill
Varies

Supply depends on the dose your physician prescribes — confirmed at approval.

Physician review
24 hrs

A licensed US physician reviews your intake and prescribes when appropriate.

FDA-registered pharmacy
503A

Compounded fresh at a US pharmacy and shipped cold-chain to your door.

Shipping, always
Free

Every order ships free — medication, physician care and refills, one all-in price.

Formulation
Injectable vial5 mL · 2 mg/mL
Oxytocin10 mg

Amounts shown are per unit. Compounded fresh at a US FDA-registered pharmacy.

Quality

Every batch independently tested

Every medication batch dispensed through Pepti is independently tested by a qualified third-party laboratory for applicable quality and safety standards before the pharmacy releases it. Batches are tested to the same standard used by 503B outsourcing facilities.

USP <71>
Sterility

Confirms the finished preparation is free of viable microorganisms.

USP <85>
Bacterial endotoxins

Screens for endotoxins that can cause fever or inflammatory reactions.

Assay
Potency

Verifies the labeled concentration of the active peptide is what is in the vial.

HPLC
Purity

Checks the active peptide against impurities and degradation products.

Mass spectrometry
Identity

Confirms the peptide in the vial is the correct molecule.

USP <791>
pH

Confirms the solution sits within the range specified for injection.

USP <788>
Particulate matter

Checks the finished vial for visible and sub-visible particles.

USP <1207>
Container closure integrity

Confirms the vial seal holds so sterility is maintained through the beyond-use date.

Recent lots
  • Lot 100526-OXY-10

    Tested 2026-10-07 · Biolink Life Sciences Carolinas

    Sterility

    Sterile

    Endotoxin

    <2 EU/mL

    Potency

    101.2%

  • Lot 092826-OXY-10

    Tested 2026-09-30 · Biolink Life Sciences Carolinas

    Sterility

    Sterile

    Endotoxin

    <2 EU/mL

    Potency

    100.2%

  • Lot 092126-OXY-10

    Tested 2026-09-23 · Biolink Life Sciences Carolinas

    Sterility

    Sterile

    Endotoxin

    <2 EU/mL

    Potency

    100.1%

Compounded by licensed U.S. pharmacies. Prescribed by licensed medical providers. Shipped directly to patients.Documentation available upon request →View lab results by lot →
Your protocol

How Oxytocin is prescribed.

Who it's for
  • Adults who want more closeness and connection with their partner
  • Couples who want an as-needed option before intimacy
  • People whose desire is fine but who feel emotionally distant
  • Anyone pairing it with PT-141 for desire plus connection

Your physician decides whether Oxytocin is appropriate for you after reviewing your intake and labs.

Directions & duration

Inject 0.10 mL (10 units) subcutaneously 30-60 minutes before intimacy as needed.

Cycle. As needed before intimacy, at your physician's direction.
Directions shown are the pharmacy's standard for this preparation. Your prescription label is the final word.
What's included
  • Licensed physician review of your intake, history, and labs
  • Medication compounded to your prescription by a PCAB-accredited, FDA-registered pharmacy
  • Every batch independently tested before release
  • Sterile syringes and alcohol prep pads for injectables
  • Tracked delivery to your door, refills on schedule
  • Message your physician anytime; dose changes without an appointment
Storage & handling
  • Store refrigerated (36–46°F / 2–8°C) at all times, including before first use.
  • A fresh vial ships on your refill schedule. The beyond-use date is printed on your label.
  • Protect from light. Wipe the stopper with an alcohol pad before every draw.
  • Dispose of syringes in the sharps container per the included instructions.
What to expect

A typical course of Oxytocin.

TimeframeWhat patients commonly report
First dosesWarmth and a sense of closeness are the most common reports; effects are short-lived.
First monthYour physician adjusts the dose based on your response.
OngoingOngoing as-needed use. Refills ship on your schedule.
Individual results vary. Compounded medications are not FDA-approved; a licensed physician determines whether treatment is appropriate and monitors your progress.
The full reference

Everything published
about Oxytocin.

How it is described to work, pathway by pathway. What the research shows and what it does not. Where it stands with the FDA, dated and sourced.

Read the reference
14
References

peer-reviewed, each verified on PubMed

15
Sections

mechanism, evidence, dosing, safety, FAQ

Sep 24
FDA status verified

2026 · checked against fda.gov, not memory

The science

How Oxytocin works, and what the research shows.

How it works

Oxytocin is the body's natural bonding hormone.

Supplementing it reduces cortisol, increases trust and emotional connection, and enhances feelings of intimacy.

References

  1. Behnia B, Heinrichs M, Bergmann W et al.. Differential effects of intranasal oxytocin on sexual experiences and partner interactions in couples · Horm Behav (2014) · PMID 24503174
  2. IsHak WW, Berman DS, Peters A. Male anorgasmia treated with oxytocin · J Sex Med (2008) · PMID 18086171
  3. Burri A, Heinrichs M, Schedlowski M, Kruger TH. The acute effects of intranasal oxytocin administration on endocrine and sexual function in males · Psychoneuroendocrinology (2008) · PMID 18375074
  4. Muin DA, Wolzt M, Marculescu R et al.. Effect of long-term intranasal oxytocin on sexual dysfunction in premenopausal and postmenopausal women: a randomized trial · Fertil Steril (2015) · PMID 26151620
  5. Carmichael MS, Humbert R, Dixen J et al.. Plasma oxytocin increases in the human sexual response · J Clin Endocrinol Metab (1987) · PMID 3782434
  6. Kosfeld M, Heinrichs M, Zak PJ, Fischbacher U, Fehr E. Oxytocin increases trust in humans · Nature (2005) · PMID 15931222
  7. Guastella AJ, Howard AL, Dadds MR, Mitchell P, Carson DS. A randomized controlled trial of intranasal oxytocin as an adjunct to exposure therapy for social anxiety disorder · Psychoneuroendocrinology (2009) · PMID 19246160
  8. Sikich L, Kolevzon A, King BH et al.. Intranasal Oxytocin in Children and Adolescents with Autism Spectrum Disorder · N Engl J Med (2021) · PMID 34644471
  9. Yatawara CJ, Einfeld SL, Hickie IB, Davenport TA, Guastella AJ. The effect of oxytocin nasal spray on social interaction deficits observed in young children with autism: a randomized clinical crossover trial · Mol Psychiatry (2016) · PMID 26503762
  10. Ooi YP, Weng SJ, Kossowsky J, Gerger H, Sung M. Oxytocin and Autism Spectrum Disorders: A Systematic Review and Meta-Analysis of Randomized Controlled Trials · Pharmacopsychiatry (2017) · PMID 27574858
  11. Leng G, Ludwig M. Intranasal Oxytocin: Myths and Delusions · Biol Psychiatry (2016) · PMID 26049207
  12. Walum H, Waldman ID, Young LJ. Statistical and Methodological Considerations for the Interpretation of Intranasal Oxytocin Studies · Biol Psychiatry (2016) · PMID 26210057
  13. Quintana DS, Lischke A, Grace S et al.. Advances in the field of intranasal oxytocin research: lessons learned and future directions for clinical research · Mol Psychiatry (2021) · PMID 32807845
  14. Ross HE, Young LJ. Oxytocin and the neural mechanisms regulating social cognition and affiliative behavior · Front Neuroendocrinol (2009) · PMID 19481567

Citations are provided for educational purposes. They do not constitute medical advice. Always discuss any peptide protocol with your prescribing physician.

Important safety information

+

Possible side effects

• Mild nausea (uncommon)
• Slight headache

Do not use if you have

• Active cancer or history of cancer (unless approved by oncologist)
• Pregnancy or breastfeeding
• Severe kidney or liver disease
• Known allergy to the peptide or excipients

If you experience severe side effects, call 911 or go to your nearest emergency room.

How supplied

vial — Oxytocin 10mg/5mL 2mg/mL (5mL)

Common questions

Frequently asked
about Oxytocin.

The bonding hormone supports emotional connection, reduces stress, and enhances intimacy. Oxytocin is prescription-only at Pepti: a licensed physician reviews your assessment and, if appropriate, prescribes it to be compounded by a state-licensed, FDA-registered pharmacy.

32 more questions about Pepti, answered.

One vial is your monthly supply at the dose your physician prescribes. A fresh vial ships about every 28 days, and the date moves if your physician changes your dose. Store it as the pharmacy label directs, refrigerated.

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Free assessment. Licensed physicians. Money-back guarantee if not approved.

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Pharmacy network accreditation

PCAB-accredited pharmacies on every order.

Every fulfillment runs through a PCAB-accredited pharmacy.

See the lab results
PCAB — Pharmacy Compounding Accreditation Board · Accredited
  • Rigorous third-party quality & safety inspections
  • Cleanliness and sterile processes
  • Proper ingredient sourcing
  • Accurate dosing and formulation
  • Staff training and procedures
  • Accredited by NABP & ACHC