Hair keeps growing constantly, along with old hairs that fall off and it gets replaced by new ones. It is very normal and natural for women who get sad and upset about losing hair. While genetics plays a role, there are other factors, including hormonal imbalances, an under active thyroid gland, nutrient deficiencies and insufficient scalp circulation. In addition, there are many foods that offer vitamins and minerals that support healthy hair.
Here are some foods that would help you grow good hair:

Omega-3: Omega-3 fatty acids can be obtained through food, mainly from fishes. Omega-3 is highly found in cells that line in the scalp region and it also provides the essential oils that keep your scalp well hydrated.

Vitamin A: Vitamin A is required by our body to produce sebum. Sebum is an oily substance that is been created by the sebaceous glands and acts as a natural conditioner for a healthy scalp. Animal products along with some colored vegetables that has got essence of beta-carotene can prove to be good for hair growth.

Protein: Hair is made of proteins mostly. Ensure that you have more of protein in your diet in order to make your hair strong and healthy. Lack of protein in your diet results in hair loss, your hair is likely to become dry, brittle and can break easily.

Beans: Bean sprouts contain silica, which is an important nutrient for hair and prevents hair loss.

Oats: Oats are highly effective to maintain a color of the hair. Oats aid in creating melanin and thus prevents loss of hair.