You are what you eat—this is a common phrase that we all must have heard at least once in our lives. Rightly so, it is true: Whatever we eat affects us, our mood, and our growth. This is also the case with your hair. If you feel that your hair growth is affected, it may be because you are not eating right. Your dietary habits can impact your hair health and if you rightly address nutrient deficiencies, it can be effective. Hair Volume And VitaminsIf you are worried about your hair growth and the volume of your hair, then you may be lacking certain vitamins. Vitamin A:This is also known as retinol, which is essential for hair growth. It helps the skin glands produce an oily substance called sebum that moisturises your scalp and maintains hair health. It further fights off radicals that make your hair look flat and increases volume. Sources of vitamin A are milk, egg, cheese, yoghurt, carrots, and spinach. Vitamin B: This is biotin, which is known to contribute for hair growth and its deficiency can lead to hair loss. They also help create red blood cells which are responsible for carrying oxygen and nutrients to the scalp and thus encourages healthy hair growth. Sources of vitamin B are whole grains, leafy vegetables, and nuts, etc. Vitamin C Also known as collagen that helps form your hair that are damaged due to free radicals. It is also an antioxidant that can prevent oxidative stress that causes the free radicals and ensures a strong and healthy hair growth. Sources of vitamin C are peppers, broccoli, brussels sprouts, and potatoes. Vitamin EIt is also an antioxidant and a study shows that people with hair loss experiences 34.5% increase in hair growth when they regulated their vitamin E intake for 8 months. Sources of vitamin E are almonds, plant oils, soya, corn, and olive oil. Minerals For HairThere are many different minerals that are essential for hair.IronTelogen effluvium is a condition of excessive hair loss that happens due to iron deficiency. This is why it is important to make sure that your diet is rich in iron. Sources of iron are leafy vegetables, beans, red beans, chickpeas, and seafood. ZincLack of zinc could lead to dryness in your hair and also cause hormonal imbalance and lead to the shrinking of hair follicles. It also helps regulate oil production in the sebaceous gland in the scalp. Sources of zinc are meat, legumes, nuts, and dark chocolate. IodineThis is also essential in maintaining the hormonal balance as any changes in the hormones can lead to hair thinning and changes in hair quality. The richest source of iodine comes from the salt in our food.Selenium It is also an antioxidant that clears toxins so our hair grows healthy. This helps with hair formation and regulating the thyroid hormones to prevent any imbalances. Sources of selenium are fish eggs, whole grains, meat, fish, and nuts.