l did this "lemonade diet" just about two years ago. l suggest before doing this cleansing, start training your self to eat less. If you like to eat, then this cleansing is not for you as you will not have the will power to keep from putting something in your mouth.
How l prepared my lemonade diet drink went like this, 8oz. of lemon juice ( squeezed from lemons from my lemon tree ), 8oz. of 100% grade A pure maple syrup ( get from Trader Joes ), 64 to 72oz of water, and about 4-8 teaspoons of Cayenne. Also, The herbal tea everyone is talking about is just something to help you pass all the shit you have stored up in up. l used a product called "smooth move". Guaranteed to work in 4 to 8 hours.
Personally, I weighed 250 at the time and l lost 13lbs. in 13 days with no eating ( that was tough!! ). 10days on the lemonade diet and 3 days on low sodium soup and salads, vegetables and fruits, and orange juice to get back to eating regular food again. l noticed l lost the weight in my stomach and my face wasn't as chubby.
From what l understand, the lemon juice breaks down the shit that won't pass through your intestines while also cleansing the blood and promoting good blood flow, the maple syrup is you source of sugar which the body turns into energy, and cayenne pepper is an anti-bacteria agent and it helps to get rid of mucus, and the herbal tea helps to pass what the lemon juice has broken up in the stomach and/or intestines.
One last note, l can't remember who wrote the book on this but this "fast" is based off the biblical reference to Jesus Christ going on that 40 days and nights walk without being tempted by the devil. So to complete this, it would be 40 days but you can break it down like 2 20's 4 10's. But if you can do 3, you definitely can do 10 and maybe more......