The New England journal of medicine
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Randomized Controlled Trial Multicenter Study
Diets with high or low protein content and glycemic index for weight-loss maintenance.
Studies of weight-control diets that are high in protein or low in glycemic index have reached varied conclusions, probably owing to the fact that the studies had insufficient power. ⋯ In this large European study, a modest increase in protein content and a modest reduction in the glycemic index led to an improvement in study completion and maintenance of weight loss. (Funded by the European Commission; ClinicalTrials.gov number, NCT00390637.).