I have tried a few brands and types of digestive enzymes and I keep coming back to this papain based formulation. I've tried fancier ones which are always costlier, but they never seem to be quite as effective. I need these so that I don't feel full for hours and hours after eating a meal. The only thing I don't love about this particular tablet is that it is chewable. it's very sweet and sticks in your teeth. You must eat it quickly or the enzymes will start to break down the tissues in your mouth and throat. Overall, this product is a godsend for someone like me. It really helps you to digest.