Medically reviewed by Jonathan Purtell, RDN Vitamin B12 helps your body make red blood cells, produce energy, and keep your ...

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 ...

One review recommended that those with vitamin B12 deficiency take 1 mg of vitamin B12 daily for a month, followed by a maintenance dose of 125–250 mcg per day (21 Trusted Source).

The recommended daily allowance of vitamin B12 for adults isn’t much — 2.4 mcg, ... “Healthy adults following plant-based diets should supplement with at least 50 mcg (of) B12 per day or ...

The absorption of vitamin B12 is about 2% at doses of 500 mcg or 1.3% at a dose of 1,000 mcg. Therefore, if someone consumes vitamin B12 less frequently, they will need a higher total amount to ...

One cup of cow's milk contains 1.3 mcg of B12 (just over 50% RDA) and is an excellent source of vitamin A, calcium, magnesium ...

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 B12 daily. My ...

50: Price per serving: $0.18: Vitamin b12 (as cyanocobalamin) 1000 mcg: Advertisement - Continue Reading Below. ... While it's likely safe to consume 1,000-2,000 mcg of B12 daily, ...

However, the neurologist told me to take 2,000 mcg of B12 daily. My multivitamin Skip to ... As I understand the recommended DV is 2.4 mcg, and for those over 50 years old, it is 25-100 mcg.