It is a coenzyme your cells already make from vitamin B3, and it is central to two things: shuttling electrons through energy metabolism, and serving as a required cofactor for sirtuins, PARPs, and CD38
Quality varies significantly between sources, and independent testing for purity and potency is not consistently available
And theres a real question as to whether theres value in holding these people to the same strict standards that we do in the first two buckets
A 2 mg GHK-Cu dose carries 0.4 mg BPC-157 and 0.4 mg TB-4 because every draw keeps the vials fixed 50/10/10 ratio
Like most weight loss injections, they are not approved by the U.S
Retatrutide, an experimental drug, is only available through an Eli Lilly clinical trial