GHK-CuvsMK-677
GHK-Cu vs MK-677 — 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 naturally occurring copper-binding peptide found in human plasma. Declines with age and is used therapeutically for skin rejuvenation, wound healing, and anti-inflammatory effects.
An oral growth hormone secretagogue that mimics the action of ghrelin, stimulating growth hormone release from the pituitary gland. Unlike injectable peptides, MK-677 is taken orally and has a long half-life.
Best choice depends on your insurance, budget, and treatment history.Take the quiz to get a personalized recommendation.
GHK-Cu vs MK-677: At a Glance
Full comparison across all key factors.
| Factor | GHK-Cu | MK-677ALLY PICK |
|---|---|---|
| Category | recovery | growth-hormone |
| Also Known As | Copper Peptide, Glycyl-L-histidyl-L-lysine | Ibutamoren |
| Administration | Topical or subcutaneous injection | Oral capsule |
| Prescription | Required | Required |
| Providers | 4 providers | 6 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
4 providers offer both GHK-Cu and MK-677.
| Provider | GHK-Cu | MK-677 | Consultation | Lab Testing |
|---|---|---|---|---|
 | $35/one-time | $50/one-time | Async Telehealth | No |
 | $145/monthly | $120/monthly | Video Telehealth | Yes |
 | $160/monthly | $150/monthly | Video Telehealth | Yes |
 | $195/monthly | $180/monthly | Video Telehealth | Yes |
 | Not offered | $149/monthly | Async Telehealth | Yes |
 | Not offered | $149/monthly | Video Telehealth | Yes |
Key Differences
GHK-Cu
A naturally occurring copper-binding peptide found in human plasma. Declines with age and is used therapeutically for skin rejuvenation, wound healing, and anti-inflammatory effects.
MK-677
More ProvidersAn oral growth hormone secretagogue that mimics the action of ghrelin, stimulating growth hormone release from the pituitary gland. Unlike injectable peptides, MK-677 is taken orally and has a long half-life.
Which Is Right for You?
Choose GHK-Cuif…
- You want a recovery medication
- You prefer topical or subcutaneous injection administration
- 4 providers available on our platform
- Your primary goal is skin rejuvenation
- Your primary goal is wound healing
Choose MK-677if…
- You want a growth-hormone medication
- You prefer oral capsule administration
- You want more provider options (6 available)
- Your primary goal is growth hormone elevation
- Your primary goal is improved sleep quality
Frequently Asked Questions
What is the difference between GHK-Cu and MK-677?
Which is cheaper, GHK-Cu or MK-677?
Can I switch from GHK-Cu to MK-677?
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.