Ask the Experts: Safeguard Your Skin Against the Sun
Reality Check #5: Exposure To The Sun Isn't The Most Reliable Way To Get Vitamin D
Ultraviolet light from the sun stimulates vitamin D synthesis in the skin....
Ultraviolet light from the sun stimulates vitamin D synthesis in the skin. “Ironically, the more ultraviolet light the skin receives, the more melanin it produces, and the more melanin you have, the less ultraviolet light the skin receives for vitamin D synthesis,” explains Strachan. “This is one of the reasons that African-Americans may be prone to vitamin D deficiency.” To get your dose of vitamin D, the American Academy of Dermatology says to take in adequate amounts of the nutrient through one’s diet—try fish or soy milk—or vitamin D supplements.