Flat stomach tea organic Fermentation in the intestines, for example, due to poor digestion, causes gas formation. This often leads to bloating. Physalis Flat Belly organic herbal infusion contains fennel, which supports cleansing and helps reduce bloating and abdominal swelling. Lemon balm, mint, and dandelion support good digestion. Green tea and maté support fat burning and contribute to weight management. Mild and pleasant in taste.