Does Grapefruit Juice Speed up Your Metabolism

Despite anecdotal evidence, there’s no research that supports claims of this fat-burning enzyme. The grapefruit diet incorporates grapefruit into every meal and promises rapid weight loss due to fat-burning enzymes found in grapefruits. However, there’s no research to support this claim.

What does grapefruit juice do to your metabolism?

Besides being packed with vitamin C and fiber, this citrus fruit speeds up weight loss. One study found that people who ate half a grapefruit with each meal lost 3.6 pounds, while those who drank a serving of grapefruit juice three times a day lost 3.3 pounds.

Will grapefruit juice burn belly fat?

While grapefruit juice may have certain health properties, however, it’s unlikely to lead to a direct increase in burning belly fat.