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Promising · 6.5/10

AHK-Cu (Copper Tripeptide)

Evidence C · mixed evidence ▲ 14.6% momentum 🥇 First scout open
6.5/ 10

AHK-Cu is a topical copper tripeptide, Alanine-Histidine-Lysine plus copper, marketed for hair growth. Its entire AHK-Cu-specific evidence base is one unreplicated in-vitro study from 2007, per Pyo, with no human trial. It is harmless as a cosmetic but barely studied. Read the full breakdown →

The prediction game

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Ring Promising Momentum 14.6% Updated Jul 20, 2026 How the Index ranks →

Verdict by Nick Urban, host of the High Performance Longevity podcast.

For education only, not medical advice. Supplements, peptides, and protocols can interact with medications and conditions. Talk to a qualified clinician before starting anything here.