b12 injectable 30ml vial Vitamin B12, Cyanocobalamin, Injection, 1000mcg/mL, 1mL Vial, 25 Vials 12 levels and alleviate associated clinical signs Vitamin B 12 Cyanocobalamin Injection

Theres a great tax-treasure trove there, more than enough to solve NHS financial worries for years just slap them all with illegal importation of drugs without a licence fines

NAD+ in Aging: Role of Nicotinamide Riboside and Nicotinamide Mononucleotide

However, it has been shown that high blood levels of vitamin B12 can cause the diagnostic features of cobalamin deficiency , which is due to binding to the different transport proteins

2733, pubmed.ncbi.nlm.nih.gov/25559140/, Bruce, et al

When adverse effects do occur, they are usually mild and transient, often related to the route of administration rather than the vitamin itself