GonadorelinvsIGF-1 LR3
Gonadorelin vs IGF-1 LR3 — 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 synthetic version of the body's natural gonadotropin-releasing hormone (GnRH). Used to stimulate the pituitary gland to release luteinizing hormone (LH) and follicle-stimulating hormone (FSH), supporting natural testosterone production.
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.
Best choice depends on your insurance, budget, and treatment history.Take the quiz to get a personalized recommendation.
Gonadorelin vs IGF-1 LR3: At a Glance
Full comparison across all key factors.
| Factor | GonadorelinALLY PICK | IGF-1 LR3 |
|---|---|---|
| Category | sexual-health | growth-hormone |
| Also Known As | GnRH, Factrel | Insulin-like Growth Factor-1 Long R3, Long R3 IGF-1 |
| Administration | Subcutaneous injection | Subcutaneous or intramuscular injection |
| Prescription | Required | Required |
| Providers | 6 providers✓ Better | 3 providers |
| Common Uses |
|
|
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 Gonadorelin and IGF-1 LR3.
| Provider | Gonadorelin | IGF-1 LR3 | Consultation | Lab Testing |
|---|---|---|---|---|
 | $140/monthly | $250/monthly | Video Telehealth | Yes |
 | $180/monthly | $320/monthly | Video Telehealth | Yes |
 | Not offered | $55/one-time | Async Telehealth | No |
 | $155/monthly | Not offered | Video Telehealth | Yes |
 | $130/monthly | Not offered | Video Telehealth | No |
 | $149/monthly | Not offered | Async Telehealth | Yes |
 | $149/monthly | Not offered | Video Telehealth | Yes |
Key Differences
Gonadorelin
More ProvidersA synthetic version of the body's natural gonadotropin-releasing hormone (GnRH). Used to stimulate the pituitary gland to release luteinizing hormone (LH) and follicle-stimulating hormone (FSH), supporting natural testosterone production.
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.
Which Is Right for You?
Choose Gonadorelinif…
- You want a sexual-health medication
- You prefer subcutaneous injection administration
- You want more provider options (6 available)
- Your primary goal is testosterone support
- Your primary goal is fertility preservation
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
Frequently Asked Questions
What is the difference between Gonadorelin and IGF-1 LR3?
Which is cheaper, Gonadorelin or IGF-1 LR3?
Can I switch from Gonadorelin to IGF-1 LR3?
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.