Find out how to lose weight naturally, using the same 9-day cleanse used by the celebs seen on these slides (Gok, Cheryl, Kimberley, Posh, Gwyneth, Rihanna, Amy, Ben, Kristina, Casey & Zoe) The Aloe Vera Diet, also known as C9 or Clean 9 Diet, owes its ongoing popularity to the fact you can drop a jean size using Forever's 9-day nutritional cleansing programme to kick-start your weight loss. As well as losing weight, you'll also feel energised with this cleansing programme!