Author: St Jeor ST, Howard BV, Prewitt TE, Bovee V, Bazzarre T, Eckel RH; Nutrition Committee of the Council on Nutrition, Physical Activity, and Metabolism of the American Heart Association. Titled: Dietary protein and weight reduction: a statement for healthcare professionals from the Nutrition Committee of the Council on Nutrition, Physical Activity, and Metabolism of the American Heart Association. Published: Circulation. 2001 Oct 9;104(15):1869-74.
Recommends a 15:55:30 protein:carbohydrate:fats ratio, but please read the accompanying analysis and background nutrition sources. Latest nutritional advice is to take care to avoid the dangers of such a simplistic view, and consider each case individually.