Peptide ScheduleEpithalon vs GHK-Cu
Side-by-side comparison of dosage, benefits, and side effects.
Epithalon (Epitalon) is a tetrapeptide that activates telomerase, the enzyme responsible for lengthening telomeres — the protective caps on chromosomes that shorten with age. Developed by Dr. Vladimir Khavinson, who studied it for over 20 years, it's used in short, intensive cycles to promote cellular age reversal. Research shows it can increase telomere length, normalize melatonin production, and improve overall lifespan markers.
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 | Epithalon | GHK-Cu |
|---|---|---|
| Category | Anti-Aging | Anti-Aging |
| Half-Life | ~30 minutes (plasma) | ~1 hour |
| Route | Subcutaneous or Intramuscular | Subcutaneous or Topical |
| Vial Sizes | 10mg | 5mg, 50mg |
| Beginner Dose | 5000mcg Daily | 200mcg Daily |
| Moderate Dose | 10000mcg Daily | 500mcg Daily |
| Aggressive Dose | 10000mcg Daily | 1000mcg Daily |
Key Differences
- Epithalon activates telomerase to lengthen telomeres for cellular longevity; GHK-Cu stimulates collagen and activates gene repair pathways.
- Epithalon is run in short cycles (10-20 days) every 4-6 months; GHK-Cu can be used continuously.
- GHK-Cu has topical applications for skin; Epithalon is injection-only.
- Epithalon targets aging at the DNA level; GHK-Cu targets tissue repair and gene expression.
When to Choose Epithalon
- DNA-level anti-aging and telomere preservation is the goal
- You prefer short, infrequent cycles
- Cellular longevity and lifespan extension are priorities
- You want to complement other anti-aging peptides
When to Choose GHK-Cu
- Skin quality, collagen, and wound healing are priorities
- You want both topical and injectable options
- Continuous use without cycling is preferred
- Tissue repair and gene expression modulation are goals
Can You Stack Epithalon + GHK-Cu?
Epithalon + GHK-Cu is the core of the anti-aging stack. Epithalon handles cellular longevity while GHK-Cu repairs tissue and gene expression — different mechanisms, no overlap.