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Make sure you're choosing the best vitamin D supplements approved in our tests!

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Alphabetical list of vitamin D supplement brands compared in this review

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Bayer Citracal Petites

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Carlson Baby's Super Daily D3

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Flora Bone Health+ with Calcium, Magnesium, and Vitamin D & K

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Garden of Life Vitamin Code RAW D3 5,000 IU

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GNC Calcium Plus

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GNC Vitamin D-3

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HUM Here Comes The Sun

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Jarrow Formulas BoneUp

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Kirkland Signature Adult Gummies Calcium - Orange & Cherry

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Life Extension Bone Restore with Vitamin K2

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Life Extension Vitamin D3

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L'il Critters Calcium + D3

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MegaFood Vitamin D3 1,000 IU (25 mcg)

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Member's Mark Vitamin D3

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Nature Made Chewable D3 1,000 IU (25 mcg) - Grape

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Naturelo Bone Strength Plant Calcium Complex With Magnesium, C, D3, K2, & Zinc

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Nature's Bounty Calcium

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Nature's Way Calcium & Vitamin D3 - Citrus Flavored

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NatureWise Vitamin D3 50 mcg (2,000 IU)

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New Chapter Bone Strength Take Care

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Nordic Naturals Vitamin D3 Gummies - Wild Watermelon Splash

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NOW Vitamin D-3 & K-2

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ProCaps Laboratories Andrew Lessman's Vitamin D3 1000

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Source Naturals Vitamin D-3

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Sports Research Plant-Based D3 + K2 2-in-1 Formula

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Spring Valley Vitamin D3 25 mcg

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TwinLab Tri-Boron Plus 12

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Vitacost Vitamin D3

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Vitafusion Vitamin D3 - Natural Peach & Berry Flavors

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Webber Naturals Calcium Citrate Vitamin D3

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You must be a member to get the full test results along with's recommendations and quality ratings. You will get results for 25 vitamin D supplements selected by and six others that passed testing in its voluntary Quality Certification Program. In this comprehensive review, you'll discover:
  • Which vitamin D supplements failed our quality ratings
  • CL's Top Picks for vitamin D supplements
  • What vitamin D can and can't do for you, and how too much can actually harm you
  • How forms of vitamin D differ — including D2 and D3, as well as calcifediol and calcitriol — and which form is best for you
  • The best way to take vitamin D and how to store a bottle after opening
  • What is vitamin D deficiency and how to gauge if your vitamin D levels are sufficient, too low, or too high — and how this may differ if you are black
  • Vitamin D dosage based on your age, gender and needs
  • How to get vitamin D from the sun and from foods
  • Side effects of vitamin D supplements and potential drug interactions

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