Vitamin D3 has several benefits and should be in your supplement routine What is vitamin D3? Your body creates this vitamin naturally when exposed to sunlight.

Our experts' top picks for the best vitamin D3 supplements. Dive into our favorite picks to find one that matches your needs.

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If you’re vitamin D-deficient, taking a vitamin D3 supplement could offer potential benefits, experts say. But how often do you actually need to take it, and who should avoid it?

Vitamin D3 supplements helped preserved telomeres, small caps that protect your DNA. You should speak to a healthcare professional before starting a vitamin D supplement.

We asked registered dietitians to help us find the vitamin D supplements that they’d actually recommend to their clients. Here are their top picks for joint health, immunity, and more.

A new study suggests vitamin D could reduce biological aging by nearly three years, highlighting its role in telomere protection and chronic disease prevention.

Compared with taking placebo, taking vitamin D3 supplements significantly reduced telomere shortening over four years, preventing the equivalent of nearly three years of aging compared with placebo.

Learn the key benefits and differences between vitamin D2 and D3, where each comes from, and how much to get per day, according to experts.

Nature Made Extra-Strength Vitamin D3 Dietary Supplement If you’re not a fan of taking vitamin capsules, consider these tasty gummies with strawberry, peach and mango flavors.