The main complication of vitamin D toxicity is hypercalcemia, which is higher-than-normal levels of calcium ... you whether they are in the healthy range or if supplementation is necessary.

BMI is a number that estimates body fat based on height and weight. A BMI under 25 is considered normal. The study found that ...

There has been no consensus on the optimal level of vitamin D intake to reduce PTH, and this is why many laboratories report the normal range of vitamin D to be so wide (20 to 40 ng/ml ...

Dr. Pramod V Satya of Manipal Hospitals speaks to THE WEEK about hepatotoxicity as a common side effect of many supplements ...

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