ghk-cu peptide structure | C28H48CuN12O8 | CID 133697840 Is GHK-Cu Legal? FDA Approved
Description
doi:10.2147/DDDT.S284163 Hsieh MJ, Liu HT, Wang CN, et al

Protein Expr Purif 79(2):165175
Topical is the validated route

100 g/mL Nle-YI-(6) aminohexanoic amide in 10 - was used as an internal standard and added to each sample on ice

But as we know, animal based foods are not always the best option for us (especially when trying to eat healthier or with specific diets), so, the answer to this question can also be to try supplements, like our B12 shots
