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What are the risks of taking vitamin d supplements?

1 doctor weighed in
Dr. Frederick Singer
Internal Medicine - Endocrinology

In brief: High blood calcium

Excessive vitamin d supplements (>10, 000 units daily) can cause excessive calcium in the urine leading to kidney stones and high blood calcium. This could result in kidney failure.

In brief: High blood calcium

Excessive vitamin d supplements (>10, 000 units daily) can cause excessive calcium in the urine leading to kidney stones and high blood calcium. This could result in kidney failure.
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