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Overdosing on Vitamins

Yes, you can get too many of some vitamins. Pay attention to your daily intake of:

Vitamin A: More than 10,000 IUs may cause nausea, headache, dizziness or blurry vision

Vitamin B6: A daily does in excess of 100 milligrams can lead to nerve damage

Vitamin C: A recent study found that high doses of this vitamin doubles men’s risk of developing kidney stones

Vitamin D: Over 10,000 IUs a day can cause frequent urination and poor appetite as well as kidney problems