That headline is too strong. Vitamin D is important, and most people taking an appropriate dose do not need to stop it suddenly. However, excessive vitamin D can cause dangerously high calcium levels (hypercalcemia).
4 warning symptoms to take seriously
If you’re taking vitamin D and develop:
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Persistent nausea or vomiting
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Marked weakness or unusual fatigue
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Excessive thirst and frequent urination
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Confusion, unusual drowsiness, or significant mental changes
these can occur with vitamin-D toxicity and should be medically evaluated. Kidney stones or significant constipation can also occur.
Don’t take high-dose vitamin D on your own. The risk is primarily from excessive supplementation, not from ordinary dietary amounts or appropriate supplementation prescribed for deficiency. If you’re experiencing these symptoms, contact a healthcare professional promptly and tell them the dose and duration of vitamin D you’re taking.
