In this Ground Truths post Ill review them by 2 categories: (1) the peptides that have been FDA approved but are getting extensive off-label use
[1] Unlike many nutrients, B12 is well-stored in the liver, with body reserves typically lasting several years
NHS loading is 1mg hydroxocobalamin every two days for two weeks, then maintenance every two to three months for life when the cause is non-dietary
[2] You may be looking to begin a B12 vitamin supplement to combat symptoms of a vitamin B12 deficiency or to fill nutritional gaps in your diet
The side effect profiles of these two compounds are dramatically different, and for some people, that difference tips the scale
Researchers specifically targeting skin aging should consider GHK-Cu as the primary copper peptide, potentially adding AHK-Cu if scalp health is also a concern