Does caffeine increase weight loss?

Mayo Clinic dietitian Katherine Zeratsky, R.D., L.D., and colleagues answer select questions from readers.

Answer

A few studies indicate that caffeine may slightly enhance weight loss in people who exercise and maintain a low-fat diet. But there's no evidence that increased caffeine intake results in significant or permanent weight loss.

Marketers of fad diets and weight-loss supplements often exaggerate the benefits of caffeine, claiming that caffeine will significantly curb your appetite and help you drop pounds quickly. However, clinical studies on the relationship between caffeine and weight loss don't support these claims.

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