copper peptide ghk-cu hair growth clinical trial randomized AHK-Cu Study (2007) — Plain-Language Summary ghk cu copper peptide hair
Description
These include high-fiber foods, soy products, cruciferous vegetables (such as broccoli, cabbage, and Brussels sprouts), and excessive amounts of caffeine

Salameh, E

This can be fine if energy levels are only slightly off

That said, because large-scale, long-term human trials are limited, its complete safety profile is not yet fully understood
