MK-677 vs Ipamorelin
A comprehensive, data-driven comparison of MK-677 (Ibutamoren) and Ipamorelin (NNC 26-0161). Compare efficacy, side effects, costs, FDA approval status, and clinical evidence to make an informed decision.
Side-by-Side Comparison
| Property | MK-677 Ibutamoren, Nutrobal | Ipamorelin NNC 26-0161 |
|---|---|---|
| FDA Status | Phase 2 | Not submitted |
| Category | Growth Hormone | Growth Hormone |
| Primary Use | Growth hormone optimization and muscle growth | Growth hormone optimization |
| Weight Loss % | N/A | N/A |
| Monthly Cost | $50 - $100/mo | $35 - $70/mo |
| Administration | Oral | Subcutaneous injection |
| Typical Dose | 10-25mg daily | 200-300mcg 2-3x daily |
| Frequency | Daily | Daily |
| Mechanism | Oral growth hormone secretagogue that mimics ghrelin to stimulate GH and IGF-1 release | Selective growth hormone secretagogue that binds to ghrelin receptors to stimulate GH release without affecting cortisol or prolactin |
| Common Side Effects |
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| Serious Side Effects |
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| Evidence Quality | Moderate | Emerging |
| Clinical Trial Phase | Phase 2 | N/A |
Key Differences
- 1Ipamorelin is generally more affordable ($35 - $70/mo) compared to MK-677 ($50 - $100/mo).
- 2MK-677 is administered via oral, while Ipamorelin uses subcutaneous injection.
- 3MK-677 has moderate-quality evidence, while Ipamorelin has emerging-quality evidence.
Which Is Better For...
Ipamorelin
More budget-friendly option with lower monthly costs
Ipamorelin
Fewer commonly reported side effects
MK-677
Stronger clinical evidence base to support its use
Cost Comparison
| Peptide | Monthly Cost Range | FDA Status | Manufacturer |
|---|---|---|---|
| MK-677 | $50 - $100/mo | Phase 2 | Various research labs |
| Ipamorelin | $35 - $70/mo | Not submitted | Various research labs |
Prices are estimated monthly costs and may vary based on pharmacy, insurance coverage, and manufacturer assistance programs. Costs for non-FDA-approved peptides reflect research compound pricing.
Frequently Asked Questions
MK-677 works via Oral growth hormone secretagogue that mimics ghrelin to stimulate GH and IGF-1. Ipamorelin works via Selective growth hormone secretagogue that binds to ghrelin receptors to stimulate GH. They differ in FDA approval status, efficacy data, and cost.
MK-677 typically costs $50 - $100/mo, while Ipamorelin costs $35 - $70/mo. Prices may vary by pharmacy, insurance coverage, and manufacturer programs.
MK-677 is not FDA-approved (Phase 2). Ipamorelin is not FDA-approved (Not submitted). FDA approval indicates the treatment has met rigorous safety and efficacy standards.
Common side effects of MK-677 include Increased appetite, Water retention, Fatigue. Common side effects of Ipamorelin include Injection site reactions, Increased hunger, Headache. Always consult a healthcare provider about potential side effects.
Switching between peptide therapies should only be done under the guidance of a qualified healthcare provider. They can evaluate your medical history, current response, and determine the safest transition protocol.
Learn More
MK-677 (Ibutamoren) is an orally-active growth hormone secretagogue that mimics the action of ghrelin. Unlike peptide injections, it is taken orally and has a long half-life allowing once-daily dosing...
View Full MK-677 GuideIpamorelin is a pentapeptide that selectively stimulates growth hormone release by mimicking ghrelin, the hunger hormone. Unlike many other GH secretagogues, ipamorelin does not significantly increase...
View Full Ipamorelin GuideOther Popular Comparisons
Medical Disclaimer
The information provided on this page is for educational and informational purposes only and does not constitute medical advice. This comparison between MK-677 and Ipamorelin should not be used as a substitute for professional medical guidance. Always consult a qualified healthcare provider before starting, stopping, or modifying any peptide therapy. Clinical data cited may be from ongoing trials and is subject to change. Individual results may vary significantly. PeptideVS does not endorse, recommend, or promote the use of any specific peptide for medical treatment.