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 ...

Dear Doctor: I'm almost 90 years old and always tired. I took two capsules of 2,000 mcg vitamin B12 the other night, and felt stronger and not as tired. Is it safe? Dear Reader: My first thought is ...

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 — that is ...

Q: Years ago, I started taking a vitamin B12 supplement. Over the past few years, I have had disabling pain in my feet diagnosed as nondiabetic neuropathy. The primary symptoms were burning, stabbing ...

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? Dear M.E.: People who are strict vegans — that is, ...

Vitamin B12 is an essential nutrient that helps the body create DNA, nourishes the brain and nervous system, and assists with the formation of healthy red blood cells. The nutrient occurs naturally in ...