GHK-Cu or glycyl-l-histidyl-l-lysine bound to copper is a copper peptide which occurs naturally in our bodies
However, for a more sustained and significant improvement in chronic fatigue, it often takes several weeks or even a couple of months of regular injections for the body to fully restore its B12 stores and for symptoms to noticeably subside
[DOI] [PMC free article] [PubMed] [Google Scholar] 6.List EO, Berryman DE, Funk K, Jara A, Kelder B, Wang F, Stout MB, Zhi X, Sun L, White TA, LeBrasseur NK, Pirtskhalava T, Tchkonia T, Jensen EA, Zhang W, Masternak MM, Kirkland JL, Miller RA, Bartke A, and Kopchick JJ
Headache or light fatigue immediately after injection
What does a B12 injection appointment involve at Skinox