Hair loss has many causes, including thyroid disease, bacterial infections, drug interactions, ageing, hormonal and circulatory problems, as well as nutritional deficiencies, according to the University of Louisville. Cosmetic treatments and hair colouring can also cause disorders to the hair shaft. Overall health and balance in the body can reduce hair loss by adding supplements and vitamins to strengthen hormonal systems and circulation to the scalp.
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Consumption of vitamin A is important for maintaining proper hair growth, according to Ohio State University. The hair shaft is strengthened by stimulating the hair growth cycle in the follicle with retinoids, substances found in vitamin A. The best food sources for natural vitamin A come from carrots and leafy green vegetables.
Another cause for hair loss is stress, explains the University of Maryland Medical Center or UMMC. The B vitamins are known for their ability to soothe jangled nerves and lower stress levels. UMMC recommends adding a B-complex vitamin to the diet to help treat stress and prevent hair loss. The University of Illinois at Urbana McKinley Health Center explains that vitamin B12 is a necessary nutrient for proper nerve function, production of red blood cells and circulation to the scalp.
Hair loss is often triggered by hormonal disorders, reports the Dermatology Online Journal from the University of California at Davis. Vitamin D functions as a steroid hormone, preventing hormonal deficiencies and stimulating hair growth.
UC Davis adds that people suffering from rickets may also have hair loss due to lack of adequate vitamin D.
Vitamin E helps with improved blood flow to the scalp and the strengthening of capillaries to promote hair growth. The addition of vitamin E to the daily diet will stimulate the scalp and hair follicles, allowing for additional hair growth, according to the UMMC.
Vitamin E oil may be massaged into the skin of the scalp to help increase blood flow. Vitamin E is found in healthy fats and oils, such as olive oil and in whole grains.
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- Dermatology Online Journal: "Does D Matter? The role of vitamin D in Hair Disorders and Hair Follicle Cycling"; Karrie T. Amor, MD, Vol. 12, No. 2, Feb. 2010
- McKinley Health Center: Vitamins and Minerals
- University of Louisville: Frequently Asked Questions About Alopecia
- University of Maryland Medical Center: Hair Disorders