It's not the B12 causing the gain, but the lack of B12 impairing your body's ability to maintain its usual energy output
Protection by protein binding of toxic adducts or transition metals (copper or iron) to albumin, transferrin, ferritin, ceruloplasmin or metallothionein, provides another rapid venue for detoxication (liver and systemic circulation)
In most regions, purchasing GHK-CU for research purposes is permitted
Because the body's own GHK-Cu declines significantly with age, supplementing it is studied for restoring some of skin's youthful regenerative capacity which is why it appears in both medical and high-end skincare contexts
10 Relax succo darancia, Sweet & Sour, granatina, ginger ale
Yoshida et al., 2010)