Should you be taking a vitamin A supplement? All the things the nutrient can — and can’t — do
Interest in vitamin A is booming as Americans seek alternative treatments for measles. While the essential nutrient has a ...
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Can Vitamin B12 Cause Side Effects?
Your doctor will give you the right dosage of vitamin B12 supplement, especially if you will inject it. Taking too much can cause side effects like nausea, headache, dizziness, and, in some cases ...