14 Best Vitamin D Supplements to Support Your Bones, Brain, and Immune System

We updated this article in November 2022 to add more information about each featured product, based on extensive research done by our team.

Most experts agree that it’s best to get your vitamins and minerals from food whenever possible. But in the case of vitamin D, that can be tough.

Yes, you can get vitamin D from a handful of foods like eggs, fortified milk or cereal, fatty fish such as salmon, and some mushrooms. And yes, your body can also make vitamin D when your skin is exposed to sunlight. But for many of us, that’s not enough. Research shows many Americans are vitamin D deficient, says Arielle Levitan, M.D., author of The Vitamin Solution.

But getting enough of the nutrient is crucial. Vitamin D helps your body absorb calcium, so it’s especially important for keeping your bones healthy and reducing your risk of osteoporosis. It’s also a key player for immune health. “We need the vitamin for our bodies to be able to fight off viruses and bacteria,” explains Frances Largeman-Roth, R.D.N., nutrition expert and author of Smoothies & Juices: Prevention Healing Kitchen.

Vitamin D works behind the scenes in other ways, too. The nutrient helps keep inflammation levels in check, promotes healthy muscle function, and is even involved in maintaining healthy blood sugar levels and brain function, according to the National Institutes of Health.

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Ready to pick up a bottle of the sunshine vitamin? Here are the best vitamin D supplements, according to experts.