Vitamin Supplements

Please post the conversion factor between an international unit of a vitamin and its metric equivalent. i.e. how many IU = X milligrams or micrograms? An international unit of a vitamin varies. I use the following table from "Food Chemistry and Nutritional Biochemistry by Zapsalis and Beck. Vitamin A, 1 IU retinol = 0.300 - 0.344...

I am the exercise physiologist for Westinghouse Energy Center. I received this question via e-mail. I was wondering what your explanation would be? Please tell me how these terms relate to vitamins and minerals? oxide chelated malate aspartate ascorbate citrate lactate colloidal I realize that the minerals are chelated or oxidized for the purpose of absorption,...