Does too much vitamin d cause hair loss

At the top of the list of essential vitamins for hair growth is biotin , also known as Vitamin B7. Whenever you see vitamins for hair growth , biotin is at the top of the list. A vitamin deficiency involving biotin causes hair loss, brittle nails, and nerve damage. In addition to biotin, the other B vitamins are important for healthy hair growth, including Vitamin B6, B12, and folic acid. In fact, Vitamin B12 helps hair cells and hair growth by promoting healthy hair follicles through the production of oxygen-rich red blood cells. To avoid any vitamin deficiency hair loss, your diet should include nutrients like Vitamin A, Vitamin C, Vitamin E, iron, magnesium , and zinc.

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A vitamin D deficiency may cause numerous problems, including hair loss. In this article, we look at how vitamin D and hair growth are connected, if a deficiency causes hair loss , and if it is reversible. There is some evidence that having a vitamin D deficiency does cause hair loss and other hair problems. Vitamin D stimulates hair follicles to grow, and so when the body does not have enough, the hair may be affected. A vitamin D deficiency may also be linked to alopecia areata , an autoimmune condition that causes patchy hair loss.

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. This article discusses 6 potential side effects of getting excessive amounts of this important vitamin. Vitamin D is involved in calcium absorption, immune function, and protecting bone, muscle, and heart health. It occurs naturally in food and can also be produced by your body when your skin is exposed to sunlight.