Medically reviewed by Amelia MacIntyre, DO Vitamin B12 helps your body make red blood cells, maintain nerve health, may boost energy levels, and support a good metabolism (turning food into energy).

Are you consuming too much vitamin B12? Here are some of the warning signs that your body may send when you have too much ...

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 ...

Many people are deficient in vitamins vitamin B6, B12, iron, and more — here are easy ways to add your daily serving into ...

You cannot overdose on vitamin B12 because it is a water-soluble vitamin, so any excess is excreted through urine.

Vitamin B12 is a powerful nutrient which is required to keep your nerves and blood cells healthy by generating red blood cells and DNA. However, people living with a vitamin B12 deficiency may ...

Vitamin B12 overdose is so rare that serious adverse effects from consuming large amounts of vitamin B12 have only been reported in a handful of studies in the medical literature. It’s effectively ...

4 supplements a day keep aging at bay. Despite conflicting advice about longevity — from well-rounded diets to centenarians’ best kept secrets, like drinking a daily glass of wine — one expert who has ...