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№ 033

Oxytocin

The 'bonding hormone' you make naturally. Synthetic oxytocin is FDA-approved for labor; off-label use covers social, anxiety, and intimacy contexts.

Nootropic
Evidence: Strong

Oxytocin: The 'bonding hormone' you make naturally. Synthetic oxytocin is FDA-approved for labor; off-label use covers social, anxiety, and intimacy contexts. Oxytocin is the bonding/social hormone you make naturally.

FDA ⓘ
Approved
WADA
Not banned
Typical dose
Intranasal: 10-40 IU per dose
Half-life ⓘ
~3-5 minutes
Route ⓘ
Intranasal (most common) or sub-q
Schedule
30 min before social context
In plain English

Oxytocin is the bonding/social hormone you make naturally. The synthetic version is FDA-approved for labor; off-label, people use it intranasally for anxiety, intimacy, and connection. Subjective effects, used as-needed not daily.

Status & legalityWhat do these mean? →
Natty? ⓘ
Grey area

FDA-approved drug. Most federations do not consider it disqualifying for off-label social/anxiety use.

FDA ⓘ
Approved

Approved (multiple brand names, Pitocin, Syntocinon) for labor induction and post-partum hemorrhage.

Compounding ⓘ
Approved drug

Available as an FDA-approved drug, not a compounded peptide.

WADA ⓘ
Not listed
Prescribed ⓘ

Yes for OB/labor indications. Off-label intranasal use is widespread but not on-label.

Who it's for

  • →Users with anxiety in social contexts
  • →Couples therapy / intimacy contexts
  • →Anyone tapering off SSRIs under medical guidance

What to expect

  1. Week 1

    Effect within 30-60 min of dose. Subjective.

  2. Week 4

    Most users learn what dose feels right by this point.

  3. Week 8

    Used episodically rather than continuously.

Looking at Oxytocin? Your next 3 steps

  1. 1Work out your exact dose

    Vial size + BAC water turns into the exact units to draw for Oxytocin.

    Open calculator →
  2. 2See what to stack & monitor

    The companion supplements and the bloodwork worth tracking on this kind of protocol.

    Bloodwork guide →
  3. 3Save it & ask the Coach

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How it works (mechanism)

Binds the oxytocin receptor (OXTR), heavily expressed in social-behavior brain regions (amygdala, prefrontal cortex, hypothalamus) and uterine smooth muscle. Modulates trust, bonding, and (peripherally) labor contractions.

Dosing protocol

Members only

Stacks well with

Members only

Side effects

01Brief nausea at higher doses
02Feeling 'too connected' / oversharing risk
03Mild headache rarely

When NOT to use

  • ⚠Pregnancy (will trigger labor)
  • ⚠Cardiovascular instability

Common mistakes

  • • Dosing too high on first use
  • • Expecting it to work like a stimulant (it's a soft modulator)
  • • Pregnant users, this is the one absolute contraindication

Drug & supplement interactions

  • ⚠Pregnancy: triggers labor (this is one of its FDA-approved uses), absolute contraindication outside obstetric context
  • ⚠Avoid combining with vasopressors
  • ⚠Limited documented oral / sub-q / intranasal interactions

Community patterns

Members only
Free, no account needed

New to Oxytocin? Grab the starter checklist.

Drop your email and we'll send the one-page first-cycle starter checklist, plus a heads-up if Oxytocin changes legal status. No account needed.

No spam. No selling your email. Just the checklist and the occasional reclassification alert.

AI Coach, live sample
Members only
is 250mcg of bpc enough for a knee injury?
For a knee, 250 mcg sub-q daily is the standard working dose and a solid place to start. The trick with BPC is consistency, give it weeks, not days. Inject close to the joint, run it 4-6 weeks, and don't drop below 200 mcg, it tends to stop cracking the threshold reliably down there. If it hasn't moved at all by week 3, that's when adding TB-500 earns its place.
how much bac water for a 10mg reta vial?
3 mL is the standard play for a 10 mg reta vial. That's 3,333 mcg/mL, clean unit math across the titration: 2 mg = 60 units, 4 mg = 120 units, 6 mg = 180 units on a 100-unit insulin syringe. Run 2 mL instead if you want fewer, more concentrated shots (5,000 mcg/mL, so 2 mg = 40 units). Since most people titrate up over ~12 weeks, 3 mL keeps the numbers cleanest.
what should i track on bloodwork for tirzepatide?
Lipid panel, ALT/AST (liver enzymes), and an A1C, baseline before you start then every 3 months. If you've got metabolic-syndrome history, add fasting glucose and insulin so you can actually watch insulin sensitivity improve. You don't need a big hormone panel for a GLP-1.

Ask the Coach anything about Oxytocin or your own stack. This is it working.

Trained only on Pepdex content. Does the dose math, flags interactions, knows your stack. Won't push vendors, won't pretend to be a doctor.

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Frequently asked

What is Oxytocin?+
Oxytocin is the bonding/social hormone you make naturally. The synthetic version is FDA-approved for labor; off-label, people use it intranasally for anxiety, intimacy, and connection. Subjective effects, used as-needed not daily.
Is Oxytocin FDA approved?+
Approved (multiple brand names, Pitocin, Syntocinon) for labor induction and post-partum hemorrhage.
Is Oxytocin legal?+
Oxytocin is FDA-approved and legal to obtain by prescription in the US. Yes for OB/labor indications. Off-label intranasal use is widespread but not on-label.
Is Oxytocin banned by WADA?+
Oxytocin is not currently on the WADA prohibited list.
Are you still natty after taking Oxytocin?+
Grey area. FDA-approved drug. Most federations do not consider it disqualifying for off-label social/anxiety use.
Do doctors prescribe Oxytocin?+
Yes for OB/labor indications. Off-label intranasal use is widespread but not on-label.
What's the typical dose of Oxytocin?+
Intranasal: 10-40 IU per dose. Sub-q: 5-10 IU. Use as-needed, not daily.
What are the side effects of Oxytocin?+
Common side effects include: Brief nausea at higher doses; Feeling 'too connected' / oversharing risk; Mild headache rarely. Less common effects and full safety details are on the entry page.
How long until Oxytocin starts working?+
Effect within 30-60 min of dose. Subjective.
What can you stack with Oxytocin?+
Common pairings: Standalone is the norm. Full stacking protocol and timing on the entry page.
Where do people get Oxytocin?+
Oxytocin is dispensed through licensed pharmacies with a prescription. Some compounding pharmacies and telehealth services prescribe it. Pepdex is not a vendor or pharmacy. See /coa for how to verify Certificate of Analysis on any supplier.
Oxytocin vs Selank, which is better?+
Selank vs Oxytocin: anxiolytic without sedation vs social-bonding hormone. Different anxiety levers. Full head-to-head comparison: https://pepdex.co/compare/selank-vs-oxytocin

Head-to-head with Oxytocin

Compare
Oxytocin vs Selank →

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