Vitamins do many amazing things for hair. They can aid in cell growth, prevent free radicals from damaging it, keep it from graying prematurely and nourish the follicles that stimulate growth.

The reasons for hair loss are complex and can include many factors, such as genetics, stress, hormone changes, age, and low intakes of certain nutrients, including vitamin D, iron, and zinc ...

4. Vitamin B3 (Niacin) It acts as a coenzyme in many metabolic reactions, and its deficiency can lead to poor scalp ...