Sermorelin vs MK-677
A comprehensive, data-driven comparison of Sermorelin (GHRH 1-29) and MK-677 (Ibutamoren). Compare efficacy, side effects, costs, FDA approval status, and clinical evidence to make an informed decision.
Side-by-Side Comparison
| Property | Sermorelin GHRH 1-29, GRF 1-29 | MK-677 Ibutamoren, Nutrobal |
|---|---|---|
| FDA Status | Withdrawn (off-label use continues) | Phase 2 |
| Category | Growth Hormone | Growth Hormone |
| Primary Use | Growth hormone deficiency and anti-aging | Growth hormone optimization and muscle growth |
| Weight Loss % | N/A | N/A |
| Monthly Cost | $150 - $350/mo | $50 - $100/mo |
| Administration | Subcutaneous injection | Oral |
| Typical Dose | 200-500mcg daily before bed | 10-25mg daily |
| Frequency | Daily | Daily |
| Mechanism | Bioidentical analog of growth hormone releasing hormone (GHRH) that stimulates natural GH production | Oral growth hormone secretagogue that mimics ghrelin to stimulate GH and IGF-1 release |
| Common Side Effects |
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| Serious Side Effects |
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| Evidence Quality | Moderate | Moderate |
| Clinical Trial Phase | N/A | Phase 2 |
Key Differences
- 1MK-677 is generally more affordable ($50 - $100/mo) compared to Sermorelin ($150 - $350/mo).
- 2Sermorelin is administered via subcutaneous injection, while MK-677 uses oral.
Which Is Better For...
MK-677
More budget-friendly option with lower monthly costs
Cost Comparison
| Peptide | Monthly Cost Range | FDA Status | Manufacturer |
|---|---|---|---|
| Sermorelin | $150 - $350/mo | Withdrawn (off-label use continues) | Various research labs |
| MK-677 | $50 - $100/mo | Phase 2 | 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
Sermorelin works via Bioidentical analog of growth hormone releasing hormone (GHRH) that stimulates natural GH. MK-677 works via Oral growth hormone secretagogue that mimics ghrelin to stimulate GH and IGF-1. They differ in FDA approval status, efficacy data, and cost.
Sermorelin typically costs $150 - $350/mo, while MK-677 costs $50 - $100/mo. Prices may vary by pharmacy, insurance coverage, and manufacturer programs.
Sermorelin is not FDA-approved (Withdrawn (off-label use continues)). MK-677 is not FDA-approved (Phase 2). FDA approval indicates the treatment has met rigorous safety and efficacy standards.
Common side effects of Sermorelin include Injection site reactions, Flushing, Headache. Common side effects of MK-677 include Increased appetite, Water retention, Fatigue. 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
Sermorelin is a bioidentical synthetic version of growth hormone releasing hormone (GHRH) consisting of the first 29 amino acids of the full 44-amino acid GHRH molecule. It was previously FDA-approved...
View Full Sermorelin GuideMK-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 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 Sermorelin and MK-677 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.