name for b12 injection Shots & B12 Injections: The Good, Bad and Alternative! It is injected into the muscle or just below the skin (subcutaneously) Sandoz Vitamin B12 Injectable Solution

For example, cyanocobalamin can be risky for people with a condition called Leber's disease, as it might harm the optic nerve

Consider the benefits of breast-feeding, the risk of potential infant drug exposure, and the risk of an untreated or inadequately treated condition

Rodent findings should not be presented as human outcomes

And, heres a tip: If youre experiencing deficiency symptoms, the best test is a urine MMA not serum B12 level)

Still, side effects from B12 supplements are possible, especially at higher doses, and include: Headache Nausea Vomiting Fatigue Weakness Diarrhea Tingling in the hands and feet Nasal spray Vitamin B12 is also available in a nasal spray

B12 is water-soluble, so it is not stored in fat tissue the way some vitamins are