Q. I read in your Q&A's that low fat milk (skim) affects calcium absorption. Can you explain this? Is there any research about this? -Jennifer
A: Calcium is one of the most difficult minerals to absorb (see the American Journal of Clinical Nutrition, August 2000, 72:466-471). The recommended intake for calcium is based on the supposition that only about 30% of dietary calcium is absorbed. Minerals require transporting agents, such as amino acids (protein) or lipids (fats), to carry them into the small intestine for absorption. Skim milk provides little fat and little protein. One per cent milk is a better option.
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