Vitamin A is fat-soluble, meaning it sticks in your body much longer than water soluble vitamins such as C.
Fortifying flour with folic acid in Canada has resulted in a dramatic decrease in neuroblastoma, an early and very dangerous cancer in young children.
Sunscreen absorbs ultraviolet light and therefore decreases the skinís ability to produce Vitamin D.
High doses of zinc (over 100mg) can lead to stomach cramps, nausea and vomiting.
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