If you're looking for that single food which would efficiently aid in reducing your weight then it has to be flaxseeds or alsi. Due to its low carbohydrate content and its richness in omega 3 fatty acids they play an excellent role in lowering storage of fats. They also help you feel fuller and satiated for a longer time. Besides flaxseeds are rich in lignans antioxidants oestrogen content and fibre all of which are great for our body. Lecithin content in flaxseeds dissolves the unhealthy fats from the digestive tract. A healthy stomach is the first necessity for weight loss.