
Higher levels are linked to immune health benefits and a lower risk of many chronic diseases." "They notice improvements in mood (especially depression) and less fatigue with supplements. "From my clinical experience, it's fairly rare for the average person to be deficient but many people have suboptimal levels," Anne Dahany, MS, RDNs, told Insider. wrinkles, discoloration, loss of elasticity) and skin cancer. Plus, sun exposure can cause adverse effects like photoaging (i.e. Folks living in northern climates may not get consistent quality sun exposure, and various factors like age and skin tone make some people's bodies less efficient at producing vitamin D.

This is because our bodies actually produce it autonomously when our skin is exposed to the sun's UVB rays.īut sun alone isn't an adequate source of vitamin D for everyone.

It may also play a role in our mood and immune health, while some studies suggest it could reduce the risk of major diseases like heart disease and Type 2 diabetes.Īnd you've likely heard it called the " sunshine vitamin," too. Vitamin D is an essential nutrient that's believed to support strong bones and help reduce the risk of fractures as we age.

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