These 12 foods will start narrowing your waist the minute they leave your fork and enter your mouth!  Make sure these are added to your shopping list on your next trip. Grapefruit Vitamin C helps with the proper metabolism of fat, foods rich in it make great choices for burning fat. Eating half a grapefruit for breakfast or about thirty minutes before eating meals will help you feel more full and prevent overeating. Black Pepper Piperine, the important substance in Black Pepper, has shown signs of reducing the formation of fat cells in your body. Black pepper also helps to increase your metabolism. This is great news for those Ssck of eating bland food and looking for an easy way to shed some pounds! Cinnamon Cinnamon is known to lower blood sugar levels; this can help in suppressing monster appetites. Adding cinnamon to teas, coffee, and yogurt (plain!!) are some easy ways to get it in your system. Note** Try your best to purchase Ceylon cinnamon; the i...