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 ...

VITAMIN B12 is essential for the production of red blood cells and in keeping the nervous system healthy, but a lack of the vitamin could lead to vitamin B12 deficiency anaemia. So how much ...

Several signs of toxicity can occur when a person exceeds the recommended dosage of Vitamin B12. Vitamin B12 is essential for the nervous system to function as normal and some people may take ...

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 ...

Thus adding a healthy yet natural source of vitamin B12 is the easiest way to give your body the right dose of nutrition.

Taking higher-than-recommended doses of vitamin D for five years reduced the risk of atrial fibrillation in older men and women, according to a new study.

DEAR DR. ROACH: I’m a vegan, and my multivitamin is my only source of B12. It states I’m getting 200% of my daily requirement. Is that sufficient? — M.E. ANSWER: People who are strict vegans ...

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 ...