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Yes. Vitamin overdosing can cause serious side effects. Serious liver damage can result from too much vitamin A. Undesirable side effects can occur with too much vitamin B-3 and B-6. Too much vitamin D can cause serious side effects. Too much vitamin C can cause diarrhea and stomach discomfort. If you take too much calcium, your bones can become brittle and weak and break under normal conditions.

You should not self prescribe high dosages of any minerals or vitamins unless you have checked with your doctor.

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11y ago

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