A fat burner is a slimming supplement that helps you lose weight quickly. It increases calorie expenditure and promotes the breakdown of stored fat in the body. Combined with regular physical activity, it's a powerful ally for losing weight and refining your figure quickly. There's a wide variety of fat burners on the market. With so many options available, it can sometimes be difficult for users to choose the right one for their needs. To help you better choose your slimming supplement, I've compiled a top 5 of the best fat burners I've tested and that are available on the market.