Tens of millions of Americans take nutritional supplements. New studies allege some pills do not contain what is on the label. Other research indicates consumers may be ingesting too many vitamins. New concerns about dietary supplements.
A behind-the-scenes look at America’s seventeen-billion-dollar pet food industry and what you need to know about the nutritional needs of your dog or cat.
- Malden Nesheim professor emeritus of nutritional sciences, Cornell University former president, American Institute of Nutrition
- Marion Nestle professor nutrition, food studies and public health at New York University previous books include "Food Politics", "Safe Food", and "What to Eat"
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