Comparison of weight-loss diets with different compositions of fat, protein, and carbohydrates.

ABSTRACT:

Background

The possible advantage for weight loss of a diet that emphasizes protein, fat, or carbohydrates has not been established, and there are few studies that extend beyond 1 year.

Methods

We randomly assigned 811 overweight adults to one of four diets; the targeted percentages of energy derived from fat, protein, and carbohydrates in the four diets were 20, 15, and 65%; 20, 25, and 55%; 40, 15, and 45%; and 40, 25, and 35%. The diets consisted of similar foods and met guidelines for cardiovascular health. The participants were offered group and individual instructional sessions for 2 years. The primary outcome was the change in body weight after 2 years in two-by-two factorial comparisons of low fat versus high fat and average protein versus high protein and in the com

SUBMITTER: Sacks FM 

PROVIDER: S-EPMC2763382 | biostudies-literature | 2009 Feb

REPOSITORIES: biostudies-literature