b12 injection needle and syringe A Guide to the Best Needles for Injections B12 Injections - Choice Health

Its the same area where youd get a flu shot

Additionally, researchers observed a notable increase in the thickness of the epidermal layer, which might indicate an influence of elevated growth hormone levels on epidermal cell proliferation

Another study in the Journal of the American Medical Association notes that among those with diabetic nephropathy (loss of kidney function due to diabetes), combining vitamin B6 (25 mg) and folic acid (2.5 mg) (B-complex vitamin) with 1,000 mcg of oral B12 per day for six years increases the risk of cardiovascular events, including heart attack and stroke

Its often more comfortable and works better for some people