ghk-cu acetate cream Copper Peptide Face Cream, Deep Hydrating Moisturizer, Fast Absorbing, Nourishes Dry Skin, Boosts Firmness & Radiance, Natural Care for Dry, Mature & Sensitive Skin, Face & Body, 2.21 oz Apply to clean skin as part of your morning and evening routine Peptide GHK-CU Cream | Concierge
Description
Vitamin biosynthesis by human gut butyrate-producing bacteria and cross-feeding in synthetic microbial communities

This is usually temporary and not directly caused by the peptide itself

MatteiJMalikVWedickNMCamposHSpiegelmanDWillettWet al

So a micronutrient value in the "normal" range could still be suboptimal for you

S., Hsu, Y

Disposable packaging: Each syringe comes individually wrapped to maintain sterility
