ANSWER: 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 ...

The dose of 2,000 micrograms of B12 is more than 800 times the recommended daily amount. So, on the face of it, this dose seems too high, but as you increase the amount in your diet, less of a ...

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

Medically reviewed by Sohaib Imtiaz, MD Key TakeawaysTake vitamin B12 on an empty stomach in the morning or early afternoon to maximize absorption and avoid sleep disruptions.Vegans, older adults, and ...

How Much Vitamin B12 To Take In A Day. The recommended daily intake of vitamin B12 varies by age and life stage, according to Dr Raj. For adults, the recommended amount is 2.2 micrograms.

To prevent this from happening, we must take into account that The recommended daily dose of vitamin B12 “varies depending on age, sex and other individual conditions,” says Aguirre.

Experts explain how to tell if you may be deficient in vitamin B12 and whether you may benefit from a supplement. Plus, high-quality options if you need one.