What this system does good is, you learn to consume healthy food. Isagenix 30 day weight loss system consists of meal replacement shakes, cleansing and flushing products, vitamin/mineral supplements and hydration tonics to keep the body healthier and functioning whilst they try to place it under the guise of losing weight. People might lose some weight but, if you get back to eating the way you did before after 30 days, you will gain it back. Another major criticism is the ridiculously high price (which might be because of the MLM business model). Most detox supplements and programs in the market come relatively cheap, and moreover, detox and cleanse doesn't guarantee long term weight loss. Yet, when you request your money back because you lost zero pounds in 30 days, they claim it's not a weight loss product, but just a cleansing product. There are better, more-flexible, long term weight loss programs out there, that also provide good value for money. We recommend IdealShape 30 days plan over this.