Hi... If you read the main link at the top of the page - "Master Cleanse - Lemonade Diet " - the one example they give has the person taking vegetable broth onthe diet, or combining it with juicing... that looks like a "recommendation" to combine Lemonade Diet with other things to me - why else would they put it on the main info page?
Do what works for you -- Heres the link and excerpt
My Experience with Lemonade Fast
by Espen H. (excerpts)
"I don't fast entirely on lemonade, at least not every day of this fast. I also make Vegetable broth .... I usually take 2 - 3 bowls/cups of this broth daily. .... I also combine lemonade fast with juice fasting. "