Tonalin is a proprietary form of Conjugated Linoleic Acid (CLA), which is an Omega-6 fatty acid.
Good stuff. Very strong anti-oxidant and no stimulant properties. I take 9-12g/day and have for the past 4-5 years, with no negative sides whatsoever. My MD says my lipid profile is "textbook perfect".
Glucomannin is just a complex carb that turns to gel in your stomach to make you feel full. Nothing special.