I recently reviewed and some of you have contacted me regarding an article illustrating that too much Vitamin D can be harmful and to be cognizant and aware of the dose you are taking and to be again aware of Vitamin D toxicity. The problem with these news articles is they like to have this big headline that grabs your attention in order to sell the paper but all you remember is the headline because it was so scary and then you either don't read the article or you read it and don't pay attention because you are now scared.
Let us be clear. This article was regarding ONE and only ONE person who was taking 50,000 IU of Vitamin D 3X PER DAY. Not one, not two but 3X per day!!! Of course, he was going to be toxic. I have said over and over all drugs have a therapeutic window and any drug can be toxic and just because a little helps does not mean more helps more. It does NOT! The correct dosage of 50,000 IU for someone who is severly Vitamin deficient is one capsule weekly for about 4 weeks and then ONE PER MONTH.
The correct dose today of Vitamin D that has been shown to help prevent or reduce cancer incidence and Covid infection is 4000 IU once a day or 50,000 once or twice a month. Even with these lower doses you periodically want to have your doctor check your serum Vitamin D level and Calcium level. Your Vitamin D level needs to be over 40 and your Calcium level needs to be around 10. Previous recommendations as a "normal" Vitamin level of 20-30 in my opinion are too low.
Vitamin D has a decent therapeutic level. But if you take 50,000 IU 3X a day you will get sick.
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