For the standalone 5-Amino-1MQ overview, see What Is 5-Amino-1MQ
While some effects are noticeable immediately, others provide long-term benefits over weeks or months
HOW IT WORKS IM injections deliver vitamins directly into the muscle, where they are absorbed efficiently
Under normal circumstances, only a small percentage of orally consumed B12 is absorbed, with excess amounts passing through the digestive system

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