Caffeine

All though a lot of people think caffeine is bad for you, It actually has a lot of good qualities and does a lot of great things for your body. Caffeine is a stimulant which actually promotes fat burning, thus why when you buy a fat burner the main ingredient is typically caffeine. Caffeine alone is it's compound form is much cheaper than buying a brand named fat burner which typically sells for 40-80 dollars depending on the brand. Caffeine is very cheap which is found in coffee and green tea. Both of these products are cheap and easy to access without investing a ton of money in a product that your unsure about. So next time you go to GNC or any supplement store read the labels and don't waste your money.