fda b12 injections Vitamin Injection Vitamin B12 Injection: Uses, Benefits,

Was diagnosed with B12 deficiency last week

Cyanocobalamin Injection, USP is a sterile solution of cyanocobalamin for intramuscular or subcutaneous injection. Each mL contains 1000 mcg cyanocobalamin. Each vial also contains Sodium Chloride, 0.9%. Benzyl Alcohol, 1.5%, is present as a preservative and Water for Injection q.s. Hydrochloric acid and/or sodium hydroxidemay have been added during manufacture to adjust the pH (range 4.5-7.0)

However, the method requires the addition of radioactive cyanocobalamin to compete with vitamin B12 in the serum for the binding sites on an added cobalamin-binding protein

Vitamin B12 deficiency causes fatigue and other ME/CFS-like symptoms so it should be excluded before a diagnosis of ME/CFS is made, especially in people where there is no clear infective onset