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Thorne Vitamin D-5000 - Vitamin D3 Supplement - 5,000 IU - Support Healthy Bones, Teeth, Muscles, Cardiovascular, and Immune Function - NSF Certified for Sport - Dairy-Free, Soy-Free - 60 Capsules : Health & Household - Amazon.com
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Mayo clinic starting Cancer RCT using grossly inadequate 2,000 IU of vitamin D – Sept 2013 | VitaminDWiki
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