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According to the NIH Office of Dietary Supplements, vitamin B12 is available as cyanocobalamin and hydroxocobalamin, which are typically administered parenterally by intramuscular injection to bypass gastrointestinal absorption barriers
5-Amino-1MQ remains an investigational research compound intended exclusively for laboratory and scientific research purposes and is not approved by the U.S
[27] Additionally, anyone with Lebers hereditary optic neuropathy (a rare inherited eye disease) must avoid cyanocobalamin injections, since B can precipitate rapid worsening of that condition
For example, those with more severe deficiencies or certain health issues might need different doses
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)