About the recipe: Our body needs energy, which is provided through our metabolism. We are constantly burning calories to keep our bodies going, but if we eat a very low calorie diet, our body thinks it’s starving, and to survive it will slow down our metabolism and not burn fat.
More from Mimi Kirk: Here's an excellent light drink to enjoy before exercise. "Green tea may supercharge your workouts," says Kirk, while grapefruit is high in vitamin C and berries are full of antioxidants.
Juice grapefruit. Pour into blender with blueberries and green tea. Blend until smooth.