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How Should We Supplement Vitamin D?
The dosing strategy for correcting vitamin D deficiency differs from that for most other nutrients. Normally we take a ‘little and often approach, supplementing nutrients regularly whilst also increasing dietary sources. However, with Vitamin D, the recommended dosing strategy is different. For individuals with vitamin D deficiency, treatment may include oral supplementation of one 50,000 IU dose per week for eight weeks. After vitamin D levels normalise, a daily maintenance supplement of 800 to 1,000 IU of vitamin D3 is usually sufficient. (Bordelon P, 2009) American Academy of Pediatrics recommends that infants and children receive at least 400 IU per day from diet and supplements in order to prevent deficiency.