why b12 injections Vitamin shot Best Vitamin B12 Injection Site:

Regulatory status varies across medical, retail and athletic contexts

Heffernan M, Summers RJ, Thorburn A, Ogru E, Gianello R, Jiang WJ, Ng FM

Clinical Studies on B12 & Neuropathy Methylcobalamin: A Potential Vitamin of Pain Killer PMC article: This review covers methylcobalamins analgesic and nerve-repair effects in diabetic neuropathy and other neuropathic pain states

Another dosing recommendation begins with 1000 mcg daily for the first seven to 10 days, then 1000 mcg weekly for a month, followed by 1000 mcg monthly for life

Drug Interactions and Side Effects Table 4

But, for those with normal B12 levels, dont expect injections alone to shed pounds