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
You can find your requirements for vitamin D and other vitamins and minerals using our free tables at
You can become a ConsumerLab.com member now at for immediate access to exclusive reviews of over 1,000 products, hundreds of CL Answers, warnings, and other information about supplements and natural products that you won’t find anywhere else! Not ready to become a member yet? Sign up for our FREE newsletter
#vitaminD #vitaminDreviews #bestvitaminD
