There are only 3 main ingredients in the Skinny Fiber Weight Loss Supplement: Glucomannan, Caralluma and Cha De Bugre. There are also very helpful enzymes added to our product: Lipase and Protease. Glucomannan is a sugar made from the root of the konjac... plant (Amorphophallus konjac). Glucommanan powder, capsules, and tablets are used as medicine.... Glucomannan is used for constipation, weight loss in adults and children, type 2 diabetes, blood sugar control, and lowering cholesterol We have a 30 day empty bottle guarantee (we want you to be very happy with our product or return it for a refund)