The NutriSearch Comparative Guide to Nutritional Supplements, 4th (Professional) edition is a roadmap to understanding the remarkable protective powers of vitamins, minerals, and antioxidants. Packed with the latest findings on inflammation, oxidative stress, and degenerative disease, this guide is the definitive resource for anyone serious about optimal nutrition and anti-aging defence. Inside, over 1,500 US and Canadian supplements are scientifically rated and compared, the 18 critical Health Support Criteria required to evaluate the supplements are fully explained, and 300 colour graphs with which to easily compare above-average products are displayed. Discover recent scientific evidence showing that supplements can optimize health and retard the aging process. Determine which supplement is best for you and your family, using a scientifically-based approach. Now in its 4th edition and representing thousands of hours of research, the (Professional) NutriSearch Comparative Guide to Nutritional Supplements is an excellent source for consumers and health care practitioners searching for a quality nutritional supplement.