How Long Does It Take For Vitamin D To Work On Hair?

Although the precise role of vitamin D in hair growth isn’t well understood, more National Center for Biotechnology Information research shows that vitamin D receptors play an important role in the anagen phase of the hair follicle cycle — the phase in which new hairs grow from the follicle to their full length.

Vitamin D analogs (D2 and D3 supplements) reversed hair loss in mice, and cancer patients who have lost hair due to chemotherapy reported significant improvements after the use of vitamin D supplements.

But scientific research is scarce on how long it will take for hair to grow back — and if there is a significant amount of hair regrowth — after upping your vitamin D intake and improving your levels. Anecdotal evidence, though, suggests hair may stop shedding and regenerate in as little as two months after treatment.

In the absence of vitamins and minerals, the hair follicle will shrink and changes in the growth cycle occur, which may cause your hair to become brittle and thin. Vitamin D improves hair growth and aspect in a number of ways: It stimulates and nourishes the hair follicle.

How long does it take for hair to grow back after vitamin D?

Anecdotal evidence, though, suggests hair may stop shedding and regenerate in as little as two months after treatment.

It boosts immunity, keeps bones strong and skin healthy, stimulates cell growth, and helps create new hair follicles. You absorb vitamin D through sun exposure primarily, but you can take dietary supplements and eat certain foods to up your intake of the nutrient.

You can start to boost your nutrient levels by spending an extra hour in the sun or by taking vitamin D supplements, which you can buy at your local supermarket or pharmacy for $10 or less.

Trusted Source. found that women 18 to 45 years old who experienced alopecia or other types of hair loss had low levels of vitamin D. Reasons for insufficient vitamin D levels include spending more time indoors, wearing a lot of sunscreen, and not eating foods packed with the nutrient.

Some foods are naturally rich with the nutrient. Salmon, mackerel and other fatty fish, fish liver oils, and animal fats are great sources. In fact, one tablespoon of cod liver oil provides 340 percent of your daily vitamin D value. .

shows that a lack of vitamin D in your body can lead to hair loss. One role vitamin D plays is stimulating new and old hair follicles. When there isn’t enough vitamin D in your system, new hair growth can be stunted. Vitamin D deficiency has been linked to alopecia, the autoimmune condition that causes bald patches on the scalp and other areas …

Breast-fed babies receive their nutrients through their mother’s milk. If a breast-feeding mother doesn’t have an adequate amount of vitamin D in her diet, her baby will likely need a vitamin D supplement.