The ideal dose of vitamin B12 varies based on your sex, age, and reasons for taking it. This article examines the scientific evidence behind recommended dosages for B12 for different people and uses.

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

Vitamin B12 is an essential nutrient. Here are the best food sources of vitamin B12, as well as fortified alternatives for ...

Vitamin B12 deficiency can cause a number of strange sensations, like numbness, tingling, and more. “It felt like electricity ...

In general, it's safe to take vitamin B12 and magnesium together, but it's important to be cautious with the dosage, especially with magnesium. People with certain medical conditions, ...

Dear I.F.: The DV (a replacement for what we used to call the recommended daily allowance, or RDA) for vitamin B12 is 2.4 mcg. (There are 1,000 micrograms in a milligram, so 2.4 mcg is a very small ...

Since vitamin B12 is primarily found in animal products like meat, dairy, and eggs, individuals who follow a strict vegetarian or vegan diet may not get enough from their daily meals alone.

Some people think that taking high doses of B12 — rather than the recommended intake — is best for their health. This practice has led many to wonder how much of this vitamin is too much.

Should men take a multivitamin? ... Vitamin B12, folate (another B vitamin, supplemented in the form of folic acid), vitamin D, calcium, iron, ...

What to Know About the Importance of Vitamin B12. Vitamin B12 plays an essential role in the growth and development of our nervous system tissues and blood cells, Mark Loafman, M.D., a Chicago ...

Below, we break down the main types of vitamins you might take in supplement form, and the ideal times to take them, ...