b12 injection vials Vitamin B12, Cyanocobalamin, Injection, 1000mcg/mL, 1mL Vial, 25 and nerve damage. Cyanocobalamin Injection, 1000 mcg/mL 1mL

References References Selective and membranepermeable small molecule inhibitors of NNMT Roles of Nicotinamide NMethyltransferase in Obesity and Type 2 Diabetes Nicotinamide Nmethyltransferase inhibition mimics and boosts exercisemediated improvements in muscle function in aged mice Reduced calorie diet combined with NNMT inhibition establishes a healthier gut microbiome in obese mice Kraus et al

That said, it is not FDA-approved, so it should only be considered under licensed medical supervision

As is common with most injections, there may be a reddening of the skin and swelling at the injection site that will subside

Nausea incidence is similar, affecting 25-35% of users on both drugs