BPC-157 vs GHK-Cu
Side-by-side comparison of dosage, benefits, and side effects.
BPC-157 (Body Protection Compound) is a 15-amino-acid peptide derived from a protein found in gastric juice. It accelerates healing of tendons, ligaments, muscles, nerves, and the gut lining. Research shows it promotes angiogenesis (new blood vessel formation), modulates nitric oxide, and upregulates growth factor receptors. It's stable in stomach acid, making it effective both orally and by injection.
View full guide →GHK-Cu is a naturally occurring copper-binding tripeptide that declines with age. It's one of the most studied anti-aging peptides, with research showing it stimulates collagen and elastin production, promotes wound healing, reduces fine lines and wrinkles, and even promotes hair regrowth. Available both as injectable and topical formulations, it works at the genetic level — activating over 4,000 genes involved in tissue repair and regeneration.
View full guide →At a Glance
| Attribute | BPC-157 | GHK-Cu |
|---|---|---|
| Category | Healing & Recovery | Anti-Aging |
| Half-Life | ~30 min plasma (functional tissue activity ~4 hours) | ~1 hour |
| Route | Subcutaneous (near injury) or Oral | Subcutaneous or Topical |
| Vial Sizes | 5mg, 10mg | 5mg, 50mg |
| Beginner Dose | 250mcg 2x Daily | 200mcg Daily |
| Moderate Dose | 500mcg Daily | 500mcg Daily |
| Aggressive Dose | 750mcg 2x Daily | 1000mcg Daily |
Key Differences
- BPC-157 promotes angiogenesis and tendon/ligament repair; GHK-Cu stimulates collagen synthesis and gene repair.
- BPC-157 is best injected near the injury site; GHK-Cu works both systemically (injection) and topically.
- BPC-157 is primarily a healing peptide; GHK-Cu has both healing and anti-aging applications.
- BPC-157 has stronger evidence for gut healing; GHK-Cu has stronger evidence for skin and hair.
When to Choose BPC-157
- Acute injury repair — tendons, ligaments, joints
- Gut healing and GI repair are priorities
- You need localized healing at a specific injury site
- Post-surgical recovery
When to Choose GHK-Cu
- Skin rejuvenation and wound healing are goals
- Anti-aging gene expression modulation is a priority
- You want topical application options
- Hair growth and scalp health are additional goals
Can You Stack BPC-157 + GHK-Cu?
BPC-157 + GHK-Cu is part of the total recovery stack. BPC-157 handles deep tissue repair while GHK-Cu promotes collagen and gene expression — highly complementary.