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Oxytocin

The bonding hormone — used for mood support, stress relief, and social well-being. Oxytocin is a 9-amino acid neuropeptide known as the 'love hormone' or 'bonding hormone.' Produced in the hypothalamus and released by the pituitary gland, it plays crucial roles in social bonding, trust, empathy, sexual reproduction, childbirth, and breastfeeding. Research explores its potential for anxiety, autism spectrum disorders, and relationship enhancement.

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🧬Key Characteristics
  • Type: Neuropeptide
    (9 amino acids (cyclic))
  • Medical Use: Pitocin
    (Labor induction)
  • Research Form: Intranasal
    (10-40 IU spray)
  • Half-Life: ~3-5 minutes
    (Rapid clearance)
Functions
Social bonding → Trust & empathy → Stress reduction → Pair bonding → Maternal behavior
Intranasal administration allows oxytocin to reach the brain for behavioral effects. Research explores applications in autism, anxiety, PTSD, and relationship therapy.
Key takeaway: Oxytocin's role in social bonding makes it a fascinating research target, though its effects are highly context-dependent and the "love hormone" label oversimplifies its complex biology.

Overview

Core Benefits

Key Advantages
The 'love hormone'
Central role in social bonding, trust, empathy, and romantic attachment.
Anxiety reduction
Research shows potential for reducing social anxiety and stress responses.
Social cognition
May enhance face recognition, emotional processing, and social memory.
Autism research
Being studied for improving social deficits in autism spectrum disorders.
Intranasal delivery
Nasal spray allows peptide to reach brain for behavioral effects.
Well-established safety
Decades of medical use (Pitocin) with well-understood safety profile.

These are educational summaries of commonly discussed effects in wellness/regenerative contexts, not guarantees.

Oxytocin Results Timeline

Progression
1
Acute (30-60 min)
Physical Changes
Mild warmth, possible flushing
Performance & Recovery
Reduced stress response, calmer nervous system
Other Benefits
Increased feelings of trust and connection
2
Single Session
Physical Changes
Relaxed muscle tension, reduced stress response
Performance & Recovery
Enhanced social engagement, reduced social anxiety
Other Benefits
Improved emotional processing, better eye contact
3
Short-term Use
Physical Changes
Lower cortisol, improved sleep quality
Performance & Recovery
Consistent mood benefits during use
Other Benefits
Research shows variable results — highly context-dependent
4
Research Note
Physical Changes
Stress reduction may improve skin, digestion
Performance & Recovery
Effects are psychological/social, with physical benefits from reduced stress
Other Benefits
Long-term protocols still being studied; results vary individually

Timeline is illustrative and non-guaranteed. Outcomes vary and are commonly discussed alongside training, nutrition, sleep, and cycling practices.

How It Works

Neurohormone — Social Bonding / Anxiolytic

Target → GABAergic Modulation → Anxiety Reduction → Outcomes

🎯
Target

Oxytocin Receptors (Brain, Uterus, Heart)

Oxytocin binds its own specific G-protein coupled receptor found in the brain (social behavior, trust, anxiety reduction), uterus (contractions), heart, and other tissues. The intranasal route is preferred for behavioral effects as it provides more direct CNS access.

Cellular Signal

Gq → IP3/DAG + GABAergic Modulation

Oxytocin receptor activation triggers Gq signaling, which in the brain modulates GABAergic and serotonergic circuits. This reduces amygdala reactivity (less fear/anxiety), enhances social cognition, and promotes bonding behaviors. Effects are highly context-dependent.

🔄
Systemic Effect

Social Cognition + Anxiety Reduction + Bonding

Enhanced social perception and trust. Reduced social anxiety. Promoted bonding and attachment behaviors. Medically used for labor induction (Pitocin) and postpartum hemorrhage. Research explores autism, anxiety disorders, and PTSD applications.

What You Notice

Subtle — Calmer Social Interactions + Reduced Anxiety

Effects are subtle and context-dependent — most noticeable in social situations. Reduced social anxiety, enhanced empathy and connection. Effects are temporary (1-2 hours intranasal). Not a dramatic or obvious effect for most people.

What Makes This Peptide Different

Oxytocin is a natural neurohormone your body already produces — the "love hormone" involved in bonding, trust, and social behavior. Exogenous administration (usually intranasal) is being researched for social anxiety, autism, and PTSD. Effects are uniquely context-dependent — the same dose can increase trust OR increase suspicion depending on the social situation.

Dosing Protocol

Sexual Health / Mood

Educational reference only. Individual responses vary. Consult healthcare provider before use.

Vial Size
10 mg
Reconstitution
10 ml BAC water
Dose
50 mcg (5 units on 1ml syringe)
Timing
AM
Frequency
As needed
Duration
As needed
Protocol Notes
Known as the 'love hormone.' Also available as nasal spray for behavioral effects. Research explores use for anxiety, bonding, and mood support.

Why This Dosing Protocol

Why intranasal? The blood-brain barrier limits systemic oxytocin from reaching the brain. Intranasal administration provides more direct CNS access for behavioral effects.

Why context matters: Oxytocin enhances the salience of social cues — in positive social contexts it increases trust and bonding; in threatening contexts it can increase vigilance. This is why research results vary widely.

Oxytocin Pricing

We surface in-stock offers first and normalize by price per mg for quick comparisons.

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Out of stock (2)
Ascension Peptides
2 mg / vial
Last seen price: $49.99
Ascension Peptides
2 mg / vial
Last seen price: $49.99

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Reconstitution calculator

Dilution math and unit conversions. Prefilled using a common vial size for this peptide.

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Educational Videos

How to Reconstitute Peptides

Storage & Handling Guide

Learn proper storage temperatures, shelf life timelines, reconstitution best practices, and travel tips for lyophilized and reconstituted peptides.

Powder: Freezer
1+ year at -20°C
Reconstituted: Fridge
4 weeks max at 2-8°C
View Complete Storage Guide

FAQ

What is oxytocin and why is it called the 'love hormone'?

Oxytocin is a 9-amino acid neuropeptide produced in the hypothalamus and released by the pituitary gland. It's called the "love hormone" or "bonding hormone" because it plays a central role in social bonding, trust, empathy, and romantic attachment. It's released during activities like hugging, sex, childbirth, and breastfeeding.

How is oxytocin administered for research purposes?

For behavioral and social effects, oxytocin is typically administered as a nasal spray (10-40 IU), which allows it to reach the brain more effectively. Injectable oxytocin (Pitocin) is used medically to induce labor and control postpartum bleeding but doesn't cross the blood-brain barrier well for behavioral effects.

What conditions is oxytocin being researched for?

Research is exploring oxytocin for autism spectrum disorders (social cognition), anxiety disorders, PTSD, depression, schizophrenia (social deficits), and relationship/couples therapy. Results have been mixed, with effects often being context-dependent and varying between individuals.

Does oxytocin actually improve social bonding?

Research shows oxytocin can enhance trust, empathy, and social memory in certain contexts. However, effects are nuanced — oxytocin may increase in-group favoritism while potentially increasing out-group distrust. The "love hormone" label is an oversimplification; its effects depend heavily on context, relationship, and individual factors.

What are the side effects of oxytocin?

Intranasal oxytocin is generally well-tolerated. Possible side effects include nasal irritation, headache, and drowsiness. Injectable oxytocin (medical use) can cause uterine contractions, nausea, and cardiovascular effects. Long-term effects of regular intranasal use are not well-established, as most research involves acute dosing.

How long does reconstituted peptide last?

Once mixed with bacteriostatic water, peptides remain stable for up to 4 weeks when refrigerated at 2-8°C (36-46°F). Unopened powder can last 1+ year in the freezer. Get our complete Storage & Travel Guide.

Is this peptide legal to purchase?

Peptides sold "for research purposes only" are legal to purchase in the US, but are not FDA-approved for human use outside of specific medical applications. Always consult a healthcare provider before use.

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Scientific Sources

The following peer-reviewed studies and official resources provide additional scientific context for this peptide:

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