When combined with other vitamins, it stimulates hair growth. In addition to this, vitamin E regulates the blood circulation level and increases the oxygen supply in the body. Olives, tomatoes, broccoli, almonds, avocado, dark green leafy vegetables, etc., are a good source of this vitamin. On the other hand, you can also use your supplements to improve the volume of your hair. The best way to use vitamin E capsules is to cut them and apply the gel directly on the scalp. This will effectively solve the problem of thinning hair and premature graying. 6.