This is not something that you buy ready made. The easiest thing to do is to go to a health food store and buy liquid, ready mixed bentonite. This you will mix at home woth the psyllium powder with a liquid and that's whats called a P&B shake. There are numerous FAQs on this website dealing with that subject. Go to the top right where it says Curezone Google search, and type in all that interests you. I guarantee you there will be scores upon scores of info.
Blessings to you.