Vitamin D Supplements Explained by ConsumerLab's Dr. Tod Cooperman

Find out when you need a vitamin D supplement (and when you don't) as well as the form, type, and dose of vitamin D that is best from Tod Cooperman, M.D., the president of ConsumerLab.com.

Learn which vitamin D supplements failed our quality ratings and which passed -- including combinations with calcium, magnesium and/or vitamin K in our Vitamin D Supplements Review http://bit.ly/2LieABj.

0:24 Why is vitamin D important
1:35 How much vitamin D should you get
3:17 Why you shouldn't take high levels of vitamin D
3:40 Other ways to get vitamin D
4:03​ Different types of vitamin D

You can find your requirements for vitamin D and other vitamins and minerals using our free tables at http://www.ConsumerLab.com/RDAs.

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