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Vitamin D benefits our skin in surprising ways. The sunshine vitamin can help with wrinkles, dry skin, acne, and more.

Unfortunately, 42% of the US population are dealing with vitamin D deficiency. Because the symptoms can be subtle, many people do not realize they are lacking in vitamin D.

Vitamins D2 and D3 are essential for the absorption of calcium in your gut, which aids bone growth and your immune and neuromuscular systems. Nearly half the US population is deficient in vitamin D, but too much can be dangerous. Learn more about IUs and bioavailability to select the best vitamin D supplement.