Vitamin C

This is a reader-friendly overview of Vitamin C. For more details, see our health professional fact sheet on Vitamin C. For information on Vitamin C and COVID-19, see theNIH COVID-19 Treatmen...

Folate

This is a reader-friendly overview of Folate. For more details, see our health professional fact sheet on Folate. What is folate and what does it do? Folate is a B-vitamin that is natur...

Niacin

What is niacin and what does it do? Niacin (also called vitamin B3) helps turn the food you eat into the energy you need. Niacin is important for the development and function of the cells in ...

Vitamin B12

What is vitamin B12 and what does it do? Vitamin B12 is a nutrient that helps keep the body’s nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 ...