I dont know if this has been mentioned (theres like 200 posts on this thread) but my personal favorite fat burner has to be Leviathan Reloaded. Check out this ingedient profile:
Serving Size: 2 Capsules
Servings Per Container: 45
Proprietary Blend: 1000 Mgs
Caffeine
Tribulus Ext 80% Saponins, 20% Protodioscin
3,3'-Diindolylmethane
Coleus Forskohili 20% Forskolin
Acacia Rigidula
Hordenine
PEA (Phenylethylamine)
Velvet Bean Extract 20% l-dopa
Phyllanthus Niruri 10%
Ficus Bengalensis Extract 10:1
Yohimbine HCl, 11-Hydroxy-Yohimbine, 9mgs