The proponents of this diet divide food into four categories based on caloric density. The "featherweight" foods, less than or equal to which one can eat freely without major concern, the "lightweight" foods with a caloric density from 0.8 to 1.5 calories per gram which one should eat in moderation, the "middleweight" foods with a caloric density from 1.5 to 3.0 calories per gram which one should eat only while carefully monitoring portion size  and the "heavyweight" foods from 3 to 9 calories per gram which one should eat only sparingly.The Okinawa Diet Plan, Bradley Willcox, MD, D. Craig Willcox, PhD and Makoto Suzuki, MD, copyright 2004.
The proponents of this diet divide food into four categories based on caloric density. The "featherweight" foods, less than or equal to which one can eat freely without major concern, the "lightweight" foods with a caloric density from , which one should eat in moderation, the "middleweight" foods with a caloric density from , which one should eat only while carefully monitoring portion size , and the "heavyweight" foods from , which one should eat only sparingly.The Okinawa Diet Plan, Bradley Willcox, MD, D. Craig Willcox, PhD and Makoto Suzuki, MD, copyright 2004.
R
0.8 to 1.5 calories per gram
,
R
1.5 to 3.0 calories per gram
,
A
,
R
3 to 9 calories per gram
,