Melanin is the pigment that provides skin color, and individuals with darker skin have more of it than those with lighter skin. Having more melanin reduces your ability to synthesize vitamin D from the sun, resulting in lower 25-hydroxyvitamin D levels, according to the ODS.
Can dark skin absorb vitamin D?
Over half of all Americans lack the daily recommended vitamin D intake. … Pigment in persons with darker skin blocks sunlight absorption, a key process for vitamin D production.
Does skin color affect vitamin D absorption?
Skin pigmentation, i.e., melanin, absorbs the UVR that initiates vitamin D synthesis, and hence decreases the vitamin D that is made for a given exposure compared to less pigmented skin.
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.
Does race affect vitamin D absorption?
However, people with darker skin do not absorb vitamin D as easily as those with lighter skin, but this study shows that they may not experience the same negative effects. …
How much vitamin D do I need dark skin?
People with darker skin can benefit from consuming 1,000–2,000 IU (25–50 mcg) of vitamin D daily, especially during winter months ( 32 ).
Which skin color absorbs more sunlight?
First, skin color. While dark skin is better protected from ultraviolet radiation, it does absorb more of the energy in visible light than light skin.
What stops the absorption of vitamin D?
Some factors that may reduce or block its absorption include: Conditions such as celiac disease, chronic pancreatitis, Crohn’s disease, and cystic fibrosis. These can all affect the intestines, preventing them from absorbing vitamin D found in food.
Can you get vitamin D through clothes?
Certain rays in the light spectrum activate a chemical reaction that leads to vitamin D production. … Wearing sunscreen or even a light shirt can limit your skin’s ability to produce vitamin D, although the type of fabric seems to be more of a factor when it comes to absorbing ultraviolet rays.
What is the best way to absorb vitamin D?
Better Absorbed With Meals
Vitamin D is a fat-soluble vitamin, meaning that it does not dissolve in water and is absorbed best in your bloodstream when paired with high-fat foods. For this reason, it’s recommended to take vitamin D supplements with a meal to enhance absorption.
What race has the most vitamin D deficiency?
Race was identified as a significant risk factor, with African-American adults having the highest prevalence rate of vitamin D deficiency (82.1%, 95% CI, 76.5%-86.5%) followed by Hispanic adults (62.9%; 95% CI, 53.2%-71.7%) .
Do Hispanics lack vitamin D?
The highest prevalence of low vitamin D levels are among Hispanics and non-Hispanic Blacks. Evidence suggests that low vitamin D levels may contribute to increased risk for diabetes and its complications. Hispanics are at greater risk for vitamin D deficiency.