No doubt about it--the zone-based 40/30/30 diet is indeed a phenomenon! Everyone--from top athletes to movie stars to average Joes struggling to lose weight--is switching from ineffectual high-carb, low-fat diets to this scientifically based, healthy alternative. And the reason is simple--it works! With Ann Louise Gittleman's Guide to the 40-30-30 Phenomenon say goodbye to food cravings and low energy and say hello to enhanced mental focus, controlled blood sugar, long-term hunger satisfaction, and effortless weight loss.In these pages, nutritionist Ann Louise Gittleman lays out a clinically proven 40/30/30 dietary program devised to make the best use of the body's hormonal responses to food, thereby regulating blood sugar and reducing stored fat. This flexible plan even includes three complete 21-day menu plans for various caloric needs.To follow the 40/30/30 phenomenon you don't have to be a zealot, starve yourself, or shun red meat--you don't even have to have willpower! The body-chemistry changes that result from this balanced diet of complex carbohydrates, protein, and fat will keep frustrating food cravings at bay and healthy weight loss on track.Highlights include:The latest research on essential fats and CLA (conjugated linoleic acid) for optimum fat burning Glycemic index of over 100 foods Up-to-date information on carbohydrate-related disorders including diabetes and Syndrome X