While supplementing with injections is considered safe in most cases, heres what you should know before you try it
(8) Ulanovskaya OA, et al
that compliance and monitoring are better in patients who receive this form of therapy because they have frequent contact with health care providers, whereas proponents of oral therapy maintain that compliance will be improved in patients who receive oral therapy because of convenience, comfort, and decreased expense
Nicotinamide-N-methyltransferase controls behavior, neurodegeneration and lifespan by regulating neuronal autophagy
However, some people may experience some pain, swelling or redness at the injection site, and in much rarer cases headaches, itching or nausea