what vitamins are needed for hair growth
For hair growth, be sure to get a balanced diet with Vitamin C, Biotin (i.e. Vitamin B7 or Vitamin H) and Niacin (Vitamin B3). If you cannot get enough of these vitamins in your diet, you may need to take a vitamin supplement for hair growth.he daily dose of 2 tablets of Viviscal Extra Strength vitamin supplements for women hair growth contains a total of 240 mcg. of Biotin (Vitamin B7), which is 80% of the average adultâs recommended daily value (RDA)..