The practical upshot is that the two headline effects should be tracked as distinct outcomes, not bundled

According to a 2018 review, GHK-Cu as a cosmetic ingredient has demonstrated the ability to:3 Tighten loose skin Reverse age-related skin thinning Repair the skins protective barrier proteins Improve skin firmness and elasticity Reduce the appearance of fine lines and wrinkles Smooth rough skin Stimulate wound healing Lessen the appearance of photodamage (sun damage), hyperpigmentation, skin spots, lesions, and more Reduce inflammation and damage from free radicals Increase hair growth and thickness Additionally, in research from 2015, the authors noted that GHK-Cu may be able to stimulate collagen, regulate the skin remodeling process, attract immune cells to the site of an injury, and restore replicative vitality to fibroblasts (a cell that helps form connective tissue) in patients whove undergone radiation therapy for cancer.2 6 GHK-Cu isnt limited to topical/cosmetic forms, however
The key is to identify what is limiting fat metabolism in the first place
You have difficulty walking or speaking as you used to
[DOI] [PubMed] [Google Scholar] 62.Tsai MH, Peng YS, Chen YC, Liu NJ, Ho YP, Fang JT, Lien JM, Yang C, Chen PC, Wu CS
After four years, the increase in plaque volume was significantly greater in women taking the placebo (+53.1%) than in women taking the garlic supplement (-4.6%), while no significant difference in plaque volume was found between garlic (+1.1%) and placebo (+5.5%) in men (94, 95)