DEAR DR. ROACH: 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 multivitamin has 100 mcg, which is 4,167% of ...
Vitamin B12 is a nutrient that’s naturally present in many foods and helps keep your blood and nerve cells healthy. However, if you have trouble getting enough B12 from your diet, the best B12 ...
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