IGF-1 LR3vsOxytocin
IGF-1 LR3 vs Oxytocin — independent comparison of uses, administration, pricing across providers, and key differences. Last reviewed April 21, 2026.
Quick Verdict
Based on clinical evidence and real patient data
A long-acting analog of insulin-like growth factor-1 (IGF-1) with an arginine substitution that reduces binding to IGF-binding proteins, extending its half-life. IGF-1 is the primary downstream mediator of growth hormone's anabolic effects.
A nonapeptide produced in the hypothalamus and released by the posterior pituitary. Often called the 'bonding hormone,' oxytocin modulates social behavior, sexual arousal, orgasm intensity, and emotional intimacy. Used therapeutically for sexual dysfunction and relationship issues.
Best choice depends on your insurance, budget, and treatment history.Take the quiz to get a personalized recommendation.
IGF-1 LR3 vs Oxytocin: At a Glance
Full comparison across all key factors.
| Factor | IGF-1 LR3 | OxytocinALLY PICK |
|---|---|---|
| Category | growth-hormone | sexual-health |
| Also Known As | Insulin-like Growth Factor-1 Long R3, Long R3 IGF-1 | OT, Liquid trust, Pitocin |
| Administration | Subcutaneous or intramuscular injection | Intranasal spray or sublingual |
| Prescription | Required | Required |
| Providers | 3 providers | 4 providers✓ Better |
| Common Uses |
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Data sourced from FDA prescribing information and peer-reviewed clinical trials. Prices reflect telehealth platform costs as of April 21, 2026. See our methodology.
Pricing by Provider
2 providers offer both IGF-1 LR3 and Oxytocin.
| Provider | IGF-1 LR3 | Oxytocin | Consultation | Lab Testing |
|---|---|---|---|---|
 | $250/monthly | $120/monthly | Video Telehealth | Yes |
 | $320/monthly | $160/monthly | Video Telehealth | Yes |
 | $55/one-time | Not offered | Async Telehealth | No |
 | Not offered | $135/monthly | Video Telehealth | Yes |
 | Not offered | $110/monthly | Video Telehealth | No |
Key Differences
IGF-1 LR3
A long-acting analog of insulin-like growth factor-1 (IGF-1) with an arginine substitution that reduces binding to IGF-binding proteins, extending its half-life. IGF-1 is the primary downstream mediator of growth hormone's anabolic effects.
Oxytocin
More ProvidersA nonapeptide produced in the hypothalamus and released by the posterior pituitary. Often called the 'bonding hormone,' oxytocin modulates social behavior, sexual arousal, orgasm intensity, and emotional intimacy. Used therapeutically for sexual dysfunction and relationship issues.
Which Is Right for You?
Choose IGF-1 LR3if…
- You want a growth-hormone medication
- You prefer subcutaneous or intramuscular injection administration
- 3 providers available on our platform
- Your primary goal is muscle hypertrophy
- Your primary goal is fat loss
Choose Oxytocinif…
- You want a sexual-health medication
- You prefer intranasal spray or sublingual administration
- You want more provider options (4 available)
- Your primary goal is sexual arousal enhancement
- Your primary goal is orgasm intensity
Frequently Asked Questions
What is the difference between IGF-1 LR3 and Oxytocin?
Which is cheaper, IGF-1 LR3 or Oxytocin?
Can I switch from IGF-1 LR3 to Oxytocin?
Medical Disclaimer
This comparison is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare provider before starting, stopping, or changing any medication. Individual results may vary. The information presented reflects publicly available data and may not account for your specific health situation.