Based on the best-selling Zone® books by Barry Sears, Ph.D., the Zone is more than a diet. The Zone is a clinically proven lifestyle program designed for losing weight, fighting the effects of aging, reducing the risk of chronic disorders and improving mental and physical performance-all by eating the right combination of fat, protein and carbohydrates at every meal and snack. Established in 2002, Zone Labs Inc. has quickly risen to become an industry leader in the development and sales of innovative, patented nutraceutical products. Located in Danvers, MA, the company is based on the vision of Dr. Barry Sears, author of the best-selling Zone® books and a leading authority on the dietary control of hormonal response. Check out our 46 Zone Diet coupons, including 24 Zone Diet promo codes & 22 deals. Today's top Zone Diet coupon: 50% Off Sitewide.