Table 1.

Popular high-protein diets and their macronutrient composition

DIET	CHO	Fat	Protein	g/kg/d Protein*
USDA recommend	45-65%	20-35%	10-35%	0.8
Atkins [4]	6%	59%	35%	2.3
South Beach [5]	28%	33%	39%	2.6
Stillman [5]	3%	33%	64%	4.3
Zone [5]	36%	29%	34%	2.3
High Protein, normal CHO [6]	50%	30%	20%	1.3

*based on a 2000 kcal diet and a 75 kg person.