b12 injection methylcobalamin or cyanocobalamin Compounded (Vitamin B12) Injection, 5mg/mL Which injection contains vitamin B12?

Safety Profile Toxicology studies using doses far exceeding human therapeutic ranges have not identified significant adverse effects

Chichester, UK: John Wiley & Sons, Ltd

These needs are typically met through breast milk or infant formula

Why Injections Beat Pills (For Most People) The simple math: injectable B12 bypasses the stomach acid, liver metabolism, and intestinal absorption issues that limit oral B12 to about 1% bioavailability in most adults

The form of cobalamin used in most nutritional supplements and fortified foods, cyanocobalamin, is readily converted to 5-deoxyadenosylcobalamin and methylcobalamin in the body