I would like to comment on the letter to the editor titled “Vitamin D” by Valerie Looper [published in the July 21–27 edition]. It might be construed to your readers that taking 7,000 IU is the normal dose of vitamin D for deficiency, as her “level” is maintained this way. Recommendations for supplementation with cholecalciferol
https://www.theepochtimes.com/re-vitamin-d_3975273.html

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