Keto Premium Diet When on the Lemonade Diet, it is crucial that you consume approximately 12 glasses of lemonade each day. This lemonade has to be made specifically with 2 tablespoons of maple syrup, 2 tablespoons of lemon juice, and 1/6 teaspoon of cayenne pepper. This provides your body with approximately 100 calories per glass, or 1200 calories a day.