You cannot overdose on vitamin B12 since it is a water-soluble vitamin. skaman306/Getty Images You cannot overdose on vitamin B12 because any excess you simply pee out. If you get b12 shots, you may ...

Vitamin B12 plays a crucial role in the health and performance of the body. With this knowledge, people often reach for supplements at the drugstore. But how much Vitamin B12 do we actually need, and ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. DEAR DR. ROACH: I’m a vegan, and my multivitamin is my only source of B12.

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 ...

Some common medications can lead to vitamin and mineral deficiencies. Learn which medications can interact in this way.

You cannot overdose on vitamin B12 because any excess you simply pee out. If you get b12 shots, you may experience side effects like dizziness, nausea, and fatigue. It is possible to have elevated B12 ...