The latest on vitamins, minerals, and dietary supplements from America s food and nutrition experts. Seven of 10 Americans use dietary supplements occasionally, but there are still many questions about whether we truly need them for good health. Vitamins, Minerals, and Dietary Supplements can help you determine if you need supplements and which ones. This handy pocket guide will tell you which nutrients you need most depending on your age, habits, and health and show you how to get them from the foods you eat every day. You ll also learn what to look for on supplement labels and how to evaluate nutrition claims.