One review recommended that those with vitamin B12 deficiency take 1 mg of vitamin B12 daily for a month, followed by a maintenance dose of 125–250 mcg per day (21 Trusted Source).

We highly recommend Nature Made Vitamin B12 500 mcg supplement for seniors who want to support their energy metabolism. Pros. These Vitamin B12 tablets help break down food into energy that can be ...

Carbamide Forte Vitamin B12 Tablets. ... the U.S. Department of Health & Human Services states that a healthy individual needs to take 2.4 mcg of vitamin B12 to meet their nutritional needs.

The absorption of vitamin B12 is about 2% at doses of 500 mcg or 1.3% at a dose of 1,000 mcg. Therefore, if someone consumes vitamin B12 less frequently, they will need a higher total amount to ...

However, the neurologist told me to take 2,000 mcg of B12 daily. My multivitamin has 100 mcg, which is 4,167% of the daily value (DV). As I understand the recommended DV is 2.4 mcg, and for those ...

Vitamin B12 dosage. The average recommended daily amounts, measured in micrograms, vary by age: Infants up to age 6 months: 0.4 micrograms; Babies aged 7-12 months: 0.5 micrograms; ...

However, the neurologist told me to take 2,000 mcg of B12 daily. My multivitamin has 100 mcg, which is 4,167% of the daily value (DV). ... or RDA) for vitamin B12 is 2.4 mcg.

This was a randomised, double-blind, placebo-controlled trial. One tablet was taken each day before sleep for 6 months. The test group received sublingual vitamin B12 tablets (1000 mcg of vitamin ...