10,000 IU vitamin D daily is safe, toxicity start at 150 ng (for monotherapy)– Jan 2013 | VitaminDWiki
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Amazon.com: Ddrops Organic Baby 400 IU 90 Drops - Daily Vitamin D Liquid for Infants. Supports Teeth & Bone Health. No Preservatives, No Sugar, Non-GMO, Allergy-Friendly : Health & Household
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