b12 1000mcg injection Compounded Cyanocobalamin (Vitamin B12) 250 mL and 500 mL vials Provides 1 Cyanocobalamin for injection 1000 mcg

Phosphatidylcholine is a major constituent of all cell membranes within the body and is also required for the biosynthesis of lipoproteins.1516 Cyanocobalamin After oral ingestion, cyanocobalamin binds to intrinsic factor as well as other cobalamin binding proteins before absorption

- Keep the lyophilized vial in a cool, dry place

Using a needle that's too short for an intramuscular injection may prevent the Vitamin B12 from reaching the muscle, reducing effectiveness

Deficiency in B12 can result in symptoms such as trouble concentrating, memory problems, and mood changes

Some people describe this as feeling mentally foggy or having trouble staying sharp during tasks that require attention