Cyanocobalamin B 12 Injection USP 1000mcg mL 30mL MDV NDC9619 10 AMSCO Medical B12 Injection sites + How to use B12 Shots Safely Vitamin B12 (cobalamin) and folate (vitamin B9) are vitamins that serve important functions in the human body. Folate is needed for development and growth of cells (including red blood cells) and synthesis How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust Compounded Methylcobalamin (Vitamin B12) Injection, 5mg mL Vitamin B12 Tablets (Sublingual B12 as Bioavailable Hydroxy) Support Methyl Life Supplements