Can You Take Too Much of a Vitamin or Mineral?

Can You Take Too Much of a Vitamin or Mineral? (1:03)

Walgreens pharmacist Stacia Woodcock explains that too much of some vitamins and minerals may be dangerous. Watch Woodcock's video for more information on how to avoid overdosing.

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Are Multivitamins Safe?

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Is the Blood Level of Vitamin D in the Body Related to Cancer Risk?

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Which Vitamins and Minerals Can Help Me Sleep Better?

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Does Vitamin D Reduce the Risk of Heart Disease?

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How Much Sun Is Needed to Keep Healthy Vitamin D Levels?

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What Are Health Benefits of Vitamin D?

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What Are the Health Benefits of Vitamin Supplements?

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How Does Where I Live Affect How Much Vitamin D I Get?

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Why Is It Important for Children and Preteens to Get Enough Vitamin D?

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Can You Take Too Much of a Vitamin or Mineral?

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About Vitamins

Our experts agree it’s best to get vitamins and other nutrients from your diet, not dietary supplements. But sometimes it makes sense to take a vitamin, especially if you're deficient in vitamin D, omega-3 fatty acids and certain minerals.

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Frances Largeman-Roth, RD

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Diet & Nutrition