By Judy Davie Picture: Getty Images. Posed by model. No one likes that bloated feeling and although it doesn't always show up on the scales, it does look like you've gained kilos straight after a meal. There are a number of foods that attribute to bloating including fat, gassy foods, processed foods and even chewing gum. Here are a few food swaps to help trim the tummy in a flash and help you to lose a little weight in the process.