Quick Answer: Does Skin Color Affect Vitamin D Absorption?

What skin type absorbs the most vitamin D?

The pigment melanin, which is more prevalent in people with darker skin, reduces your body’s ability to make vitamin D in response to sunlight exposure.

Essentially, this means that people who have pale skin produce vitamin D more quickly than people with darker skin..

How does melanin affect vitamin D absorption?

Melanin, which causes skin pigmentation, lowers the skin’s ability to make vitamin D in response to sunlight exposure. Some studies show that older adults with darker skin are at high risk of vitamin D deficiency. SOURCES: Institute of Medicine: “Dietary Reference Intakes for Calcium and vitamin D.”

Can lack of vitamin D cause itchy skin?

You may experience red, dry and itchy skin due to vitamin D deficiency. Intake of vitamin D can help you treat such skin problems. It can also reduce skin rashes. Vitamin D is also beneficial for treating eczema which is also a skin condition.

How much vitamin D does a black person need?

“Primary care physicians who have African-American patients who are vitamin D deficient should encourage these patients to take vitamin D supplements of about 2,000 IUs daily.”

What prevents the absorption of vitamin D?

Your digestive tract cannot adequately absorb vitamin D. Certain medical problems, including Crohn’s disease, cystic fibrosis, and celiac disease, can affect your intestine’s ability to absorb vitamin D from the food you eat.

Does vitamin D increase melanin?

Moreover, molecular studies have shown that vitamin D increases the tyrosinase content of melanocytes [4] and induces immature melanocytes in the bulge region of hair follicles to produce melanin [6].

Can I apply vitamin D directly to my skin?

At times when sun exposure is limited, such as in winter months, it’s important to top up levels of vitamin D through your diet and supplements to still gain its health benefits. But applying vitamin D topically to the skin is also effective in maintaining good skin health and improving some skin conditions.

Does light skin absorb more vitamin D?

Vitamin D production depends on exposure to sunlight. Humans living at latitudes far from the equator developed light skin in order to help absorb more vitamin D. People with light (type II) skin can produce previtamin D3 in their skin at rates 5–10 times faster than dark-skinned (type V) people.

Does vitamin D change skin color?

During the long-ranging human exodus from Africa, says anthropologist Nina Jablonski, Vitamin D levels in the body played a key role: driving the evolution of our species’ skin color.

Does black skin absorb less vitamin D?

Some people are at greater risk of vitamin D deficiency including: People with naturally very dark skin. This is because the pigment (melanin) in dark skin doesn’t allow the skin to absorb as much UV radiation.

Does vitamin D make your skin darker?

Dr. Kaufman concluded that darker skin pigmentation is associated with lower serum 25-hydroxyvitamin D concentration. Serum vitamin D level also appears to be related to intake of vitamin D – rich foods and multivitamins containing vitamin D, but not self-reported level of sun exposure or use of sun protection.

Can vitamin D deficiency cause skin problems?

Vitamin D deficiency is associated with the risk of psoriasis and atopic dermatitis, and several clinical/observational studies have suggested the beneficial effect of vitamin D in the therapy of these 2 inflammatory skin disorders.