Enzyklopädie der Philosophischen Wissenschaften - forthcoming - Hegel-Studien. Peperzak - - Tijdschrift Voor Filosofie 43 3: Teil A, B, C, und Verz. Felix Meiner Verlag Pippin - - Journal of the History of Philosophy 15 3:
This includes Caffeine, Green Tea and Glucomannan (a fiber that can reduce appetite). However, the results are usually weak and inconsistent and certainly nothing to get excited about. At the end of the day, the only thing that is really proven to help you lose weight is changing your diet.
Exercise can help too, but what you eat is by far the most important.