Folic acid is primarily responsible for healthy cell growth. These cells include those found inside your skin tissues as well as in your hair and nails. Such effects on your hair has spurred interest in folic acid as a possible hair-growth treatment measure. Additionally, folic acid helps keep red blood cells healthy.
Vitamin B9, also called folate or folic acid is one of 8 B vitamins. All B vitamins help the body convert food (carbohydrates) into fuel (glucose), which is used to produce energy. These B vitamins, often referred to as B-complex vitamins, also help the body use fats and protein.