Physician guideline
I am a physician who not only prescribes this product but takes it as well. On the bottle itself it does not say how to take it. If you are deficient in Vit D by a blood test, you should take it once a week. If you do not know your Vit. D level, take it monthly. The reason for this is that too much Vitamin D can cause high calcium levels that can lead to kidney failure, Constipation and mental status changes. Anyone who takes it more than once a week should do so under a physicians supervision. This product allows you to replenish your Vitamin D stores without taking a lot of pills which for most people is a real plus. The recommended daily dose is 1000 to 2000 units so this product allows you to get your monthly dose in one pill. It is also very cost efficient this way
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