Its injected under the skin, usually in the hip or buttocks
Do B12 injections actually help with weight loss
The issue isn't the peptide
AHK-Cu (Copper Tripeptide-3) is a synthetic research peptide composed of three amino acids (alanine, histidine, lysine) complexed with a copper ion
(jofem.org) The best-case signal: modest weight loss in a shorter trial A frequently cited 12-week randomized trial result (as summarized in reviews) reported: ~2.6 kg average loss with AOD-9604 1 mg/day vs ~0.8 kg with placebo (PMC) This is the kind of result that can be statistically meaningful, clinically modest, and very sensitive to study design (diet, activity, baseline metabolic status, adherence)
Pernicious anemia occurs when the body lacks intrinsic factor, a protein needed to absorb vitamin B12 from food