how often to take ghk-cu “Is actually worth it?” is genuinely one of the most common questions in my comments, so let me finally answer it properly., The short version: copper peptides have real research behind them, How Often to Inject GHK-Cu

2021;422 doi: 10.1016/j.cej.2021.130147

The Institute of Medicine reports that no adverse effects have been associated with excess vitamin B12 intake from food and supplements in healthy individuals. However, if youre not deficient in vitamin B12 to begin with or you dont address the underlying reasons you might be deficient, injections likely wont do much to improve overall quality of life

If a vial has exceeded its recommended shelf life, discard it regardless of how it looks

Mechanism 4: Scalp Microbiome Support The copper ion component of GHK-Cu has well-documented antimicrobial properties that may help balance the scalp microbiome and reduce the follicle-damaging effects of certain bacteria and fungi associated with seborrheic conditions