How vitamins and minerals affect hair health
The role of vitamins and minerals in hair health and growth is important. They affect follicle health and the hair growth cycle, and a deficiency or excess of certain vitamins can cause hair loss. According to the American health publication Verywell Health, a lack or excess of certain vitamins and minerals can be directly linked to hair loss.
Vitamin Deficiencies and Hair Loss
B vitamins, biotin, and folic acid
B vitamins are essential for many bodily functions, including cell division. Biotin (vitamin B7), in particular, helps the body convert food into energy and communicate between cells. Biotin deficiency can cause hair loss, and supplementation can help prevent it. However, if you are not biotin deficient, supplements may not be effective for hair loss.
Vitamin D
Vitamin D is primarily associated with bone health, but a deficiency can cause hair loss associated with rickets. Vitamin D supplementation may help with hair loss, especially since research has shown a link between vitamin D deficiency and autoimmune diseases that cause hair loss.
Iron and Vitamin C
Iron is important for maintaining healthy red blood cells and transporting oxygen throughout the body. A lack of iron can cause anemia, or a low red blood cell count, which can lead to hair loss. Vitamin C helps with iron absorption, which is especially important if you have hair loss.
Magnesium
Magnesium is an important mineral for brain health, and although it’s not a direct cause of hair loss, some research suggests that magnesium supplementation may help women with polycystic ovary syndrome (PCOS).
Vitamin Overdose and Hair Loss
Vitamin A and Selenium
Vitamin A contributes to cell growth, but can cause hair loss when taken in excess. Adults should not consume more than 10,000 IU of vitamin A per day. Selenium is a mineral that is needed in small amounts, and too much of it can cause hair loss. Experts do not recommend taking more than 400 IU of selenium daily.
There are many causes of hair loss, including hormonal changes, stress, and infection. If you’re experiencing hair loss symptoms, it’s important to consult a professional to find the right treatment for you.
