"The Master Cleanse," aka the Lemonade Diet, has been reportedly used by celebrities such as Beyonce and Gwyneth Paltrow. The detox is based on snake-oil science from the 1940s, but it remains one ...

Its diet lemonade is made with Splenda rather than real sugar, giving it zero calories but plenty of sweetness. For an 11-quart batch, Chick-fil-A starts with two quarts of lemon juice.

Make it diet-friendly – Swap sugar for honey or a sugar substitute like Stevia. Try flavored lemonade – Blend in strawberries, raspberries, or fresh mint for a fun twist. Make it fizzy!