Vitamin B-12 deficiency is one of the most common causes of prematurely graying hair. Researchers have noted that vitamin B-12 deficiencies are often concurrent with folic acid and biotin deficiencies in people whose hair has started to turn gray early.
It turns out that, among people who are nutrient deficient, supplementing with vitamin B-5, high-dose para-aminobenzoic acid, iron, or vitamin B-12 might help reverse gray hair.
Although the primary cause of premature hair graying (PHG) is considered to be genetic, certain environmental factors also play a role. Trace element deficiencies such as Vitamin B12, Vitamin D3, and calcium may also be associated with PHG.
Vitamin D
When there isn't enough vitamin D in your body your hair may turn grey or white. One study published in The International Journal of Trichology found that children who experienced premature hair greying had low vitamin D levels.
Vitamin C prevents hair from thinning, improves hair texture, and cures damaged hair. This vitamin also promotes hair growth. Vitamin C deficiency in the body turns hair to grey prematurely. In addition, this vitamin deficiency causes dryness in the hair.
Melanin deficiency is associated with vitamin deficiency. That's why you need to increase your vitamin intake through your food or vitamin supplements. Vitamin A, C and B12 are the most needed vitamins to increase the melanin production in your hair.
Vitamins B6 and B12 have also been proven to boost melanin production. Goddard says that vitamin B6, also known as pyridoxine, has been found to trigger the production of enzymes and chemical reactions that boost the metabolism of the hair proteins (keratin and melanin) in the hair follicles.
Iron deficiency can also lead to grey hair. Iron is a vital mineral that helps create haemoglobin – the substance found in RBCs. Lacking an adequate amount of iron means lesser blood cells, which leads to insufficient oxygen supply to your scalp. Naturally, this causes grey hair at a young age.
Despite the claims made online and by product marketers, it's not possible to reverse white hair if the cause is genetic. Once your hair follicles lose melanin, they can't produce it on their own. As melanin production slows, your hair turns gray, and then white when melanin production has completely stopped.
Vitamin B-5 is an essential nutrient that helps your body produce energy from the foods you eat. It also helps make red blood cells. Although studies in mice have shown that vitamin B-5 can reverse graying fur, there aren't any clinical studies to show that such effects can happen in humans.
Some studies have demonstrated that grey and ageing hair can recover its original colour when nourished by diets rich in zinc and supplements formulated with this element. As an additional benefit, zinc also helps eliminate the dandruff present on the scalp.
Genetics — Genetics plays a big role in how and when you go gray. So if your parents and grandparents went gray early, it's likely that you will too. This is why some people go gray in their 20s, while others don't see their first gray hair well into their 50s.
Biotin has many benefits. It triggers hair growth, it treats hair loss related disorders, and it thickens and strengthens the hair. One of our favorite beneficial effects of Biotin is that is can reverse premature greying of hair.
A new study shows that stress really can give you gray hair. Researchers found that the body's fight-or-flight response plays a key role in turning hair gray. Your hair color is determined by pigment-producing cells called melanocytes.
It's most common for graying to begin in your 30s, though some people spot a few grays in their 20s. If you think you're going gray unusually early, there are a number of possible reasons why. Smoking, for one, has been linked to the early onset of gray hair.
The answer is actually quite convoluted; if aging or genetics is the only cause of hair graying, this natural process cannot be reversed. This is due to the pigment cells within the hair follicles (melanocytes) dying on their own. There is no way to bring them back.
Gray and/or white hair normally occurs with aging, and genetics plays a role in determining the age at which the first strands of gray appear. But as an article in Scientific American points out, when the graying of hair seems accelerated, scientists have suggested chronic stress as the cause.
They found that noradrenaline, also known as norepinephrine, was key to stress-induced hair graying. By injecting noradrenaline under the skin of unstressed mice, the researchers were able to cause melanocyte stem cell loss and hair graying. Noradrenaline is produced mostly by the adrenal glands.
Eating vitamin C–rich foods like citrus, berries, and leafy green vegetables may optimize melanin production.
Foods to increase melanin in the hair
Copper-rich foods such as various kinds of nuts, mushrooms and meat liver also promote follicular melanin synthesis. Sources of vitamin A, C, and E including carrots, papaya, eggs, citrus fruits, sunflower seeds, almonds, peanuts and pistachios can improve the health of your hair.