However, the scientific evidence does not support the idea that vitamin B12 injections or supplementation directly lead to weight gain
PubMed provides access to hundreds of research papers examining B12 absorption, deficiency risk factors, and supplementation strategies during weight loss
(2012) Efficacy of ipamorelin, a ghrelin mimetic, on gastric dysmotility in a rodent model of postoperative ileus Jimnez-Reina, L & Caete, Ramn & Torre, M.J
It possesses chemical and physical stability at neutral pH values, minimizes fibrosis, and allows co-formulation with other peptides
In other words, the 1 in 10 people getting worse after starting with the B12 shots may just be the result of one of the other coexisting illnesses getting worse
How Long Do Vitamin B12 Injections Take to Work