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Amazon.co.jp: VITAMIN D3 MIRACLE: The Secrets of Safe High Dosage Vitamin D3 and K2 Therapy Guide for Arthritis, Cancer, Muscles Aches, Raynaud's, Weight Loss, and Other Chronic Ailments : Spriggs PharmD, Brenda
Why is there such a discrepancy between online sources as to how much daily intake of vitamin D is safe? - Quora
5,000 or 10,000 IU Vitamin D for 7 years both safe and effective (4700 patients, 8 months to plateau) – Jan 2019 | VitaminDWiki
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