How much b 12 is in an injection?
Score: 4.3/5 (14 votes) Cyanocobalamin (Vit B-12) 1,000 Mcg/Ml Injection Solution - Uses, Side Effects, and More.How much B12 does an injection have?For vitamin B12 deficiency: The usual dose is 30 mcg as an injection into the muscle or under the skin daily for 5-10 days. For maintenance therapy, 10...