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 ...

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 amount needed ...

The 2.4 mcg of B12 that is fine for most people is totally inadequate when it comes to pernicious anemia. Low vitamin B12 can have neurological and psychiatric manifestations.

I am 73, and I was worried about dementia. Turns out, I am "normal." However, the neurologist told me to take 2,000 mcg of ...

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 over ...

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 over ...

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

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 ...