vit b12 injection What Are Injections? And Are They Safe? Methylcobalamin Injection (Vitamin B12) |

9 Megadoses B12 as lifesaving antidote The safety of vitamin B12 treatment is further illustrated by the decennia long use of hydroxocobalamin as an antidote for cyanide poisoning, often caused by smoke inhalation

PubChem lists the free peptide with molecular formula C 78 H 123 N 23 O 23 S 2 and an average molecular weight of approximately 1,815.1 g/mol

B12 injections start working fast, usually making you feel better within 48 to 72 hours

If you see persistent pain, redness, or itching at the site of the injection, mild diarrhea, swelling sensation in your body, or temporary itching in your skin, contact your doctor immediately