Medically reviewed by Kristie Reed, PharmD Vitamin B12, also known as cobalamin, is a water-soluble vitamin required for many ...

ANSWER: The DV (a replacement for what we used to call the recommended daily allowance, or RDA) for vitamin B12 is 2.4 mcg.

This article discusses whether vitamin B12 can treat tinnitus, the recommended daily intake for vitamin B12, treatment for tinnitus, and when to speak with a healthcare professional.

If you are vegan (or vegetarian), pay attention to your vitamin B12 intake. The average daily intake of vitamin B12 is about 7.2 micrograms in people who eat meat, but only 0.4 micrograms in vegans.

To avoid these outcomes, it’s important to note that the recommended daily intake of vitamin B12 “varies by age, gender, and other individual factors,” says Aguirre. A B12 deficiency can ...

Measuring active B12, rather than just total levels, may be a more accurate way to assess B12 status. Ensuring adequate intake through diet and supplementation, particularly in at-risk populations ...

The best vitamin B12 foods include clams, liver, and trout. Fortified foods, such as cereals and nutritional yeast, are plant-based alternatives. Learn more here.

Meeting the minimum requirement for vitamin B12, needed to make DNA, red blood cells and nerve tissue, may not actually be enough -- particularly if you are older. It may even put you at risk for ...