CJC-1295 / IpamorelinvsP21
CJC-1295 / Ipamorelin vs P21 — 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 combination of a growth hormone-releasing hormone analog (CJC-1295) and a growth hormone secretagogue (Ipamorelin). Together they stimulate natural growth hormone production without significantly raising cortisol or prolactin.
A 21-amino-acid peptide that mimics the action of ciliary neurotrophic factor (CNTF). Studied for neurogenesis, cognitive improvement, and neuroprotection. Shows promise in animal models for enhancing memory consolidation and protecting against neurodegenerative decline.
Best choice depends on your insurance, budget, and treatment history.Take the quiz to get a personalized recommendation.
CJC-1295 / Ipamorelin vs P21: At a Glance
Full comparison across all key factors.
| Factor | CJC-1295 / IpamorelinALLY PICK | P21 |
|---|---|---|
| Category | growth-hormone | cognitive |
| Also Known As | CJC-1295, Ipamorelin, CJC/Ipa | CNTF analog, Colostrinin fragment |
| Administration | Subcutaneous injection | Intranasal spray |
| Prescription | Required | Required |
| Providers | 9 providers✓ Better | 3 providers |
| 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
3 providers offer both CJC-1295 / Ipamorelin and P21.
| Provider | CJC-1295 / Ipamorelin | P21 | Consultation | Lab Testing |
|---|---|---|---|---|
 | $45/one-time | $55/one-time | Async Telehealth | No |
 | $180/monthly | $180/monthly | Video Telehealth | Yes |
 | $250/monthly | $230/monthly | Video Telehealth | Yes |
| Price unavailable | Not offered | Hybrid | No | |
 | $195/monthly | Not offered | Video Telehealth | Yes |
 | $160/monthly | Not offered | Video Telehealth | No |
 | $199/monthly | Not offered | Async Telehealth | Yes |
 | $199/monthly | Not offered | Video Telehealth | Yes |
| Price unavailable | Not offered | Async Telehealth | No |
Key Differences
CJC-1295 / Ipamorelin
More ProvidersA combination of a growth hormone-releasing hormone analog (CJC-1295) and a growth hormone secretagogue (Ipamorelin). Together they stimulate natural growth hormone production without significantly raising cortisol or prolactin.
P21
A 21-amino-acid peptide that mimics the action of ciliary neurotrophic factor (CNTF). Studied for neurogenesis, cognitive improvement, and neuroprotection. Shows promise in animal models for enhancing memory consolidation and protecting against neurodegenerative decline.
Which Is Right for You?
Choose CJC-1295 / Ipamorelinif…
- You want a growth-hormone medication
- You prefer subcutaneous injection administration
- You want more provider options (9 available)
- Your primary goal is increased lean muscle mass
- Your primary goal is fat loss
Choose P21if…
- You want a cognitive medication
- You prefer intranasal spray administration
- 3 providers available on our platform
- Your primary goal is neurogenesis
- Your primary goal is memory consolidation
Frequently Asked Questions
What is the difference between CJC-1295 / Ipamorelin and P21?
Which is cheaper, CJC-1295 / Ipamorelin or P21?
Can I switch from CJC-1295 / Ipamorelin to P21?
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.