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  2. Methylcobalamin Uses, Benefits & Dosage - Drugs.com …

  3. Methylcobalamin vitamin B12 Uses, Side Effects & Warnings

  4. Methylcobalamin: Indications, Side Effects, Warnings

  5. Methylcobalamin - Wikipedia

  6. Vitamin B12 - Health Professional Fact Sheet

  7. Vitamin B-12 - Mayo Clinic

  8. Mecobalamin: Uses, Interactions, Mechanism of Action

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    What is methylcobalamin?Methylcobalamin is the active form of vitamin B12 that is used in adults alone or in combination with other vitamins as a dietary supplement. Vitamin B12 is important for the brain and nerves, and to produce red blood cells. Methylcobalamin may also be used for purposes not listed in this medication guide.
    How much methylcobalamin should I take a day?The Dietary Reference Intake (DRI, also known as Recommended Daily Allowance [RDA]) for vitamin B 12 is 2.4 mcg/day. Clinical trials with specific dosage recommendations for methylcobalamin are lacking. Dosage is based on recommended dosages for vitamin B 12. High dosages of methylcobalamin (1,500 mcg/day orally) have been used in limited studies.
    What are the side effects of methylcobalamin?Methylcobalamin may also be used for purposes not listed in this medication guide. Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat. Less serious side effects may be more likely, and you may have none at all.
    Is methylcobalamin toxic?GI effects from methylcobalamin may include anorexia, diarrhea, headache, nausea, and vomiting. Specific toxicological studies are lacking. Vitamin B 12 has a long history of safe use even at high dosages. At usual dosages, the cobalt and cyanide content are not considered to be toxicologically relevant.