Optibac probiotics one week flat gives you advance capsules made with a formulation of unique probiotics and prebiotics these capsules can be used for a 7 day course to help the stomach maintain a balance of healthy bacteria and support digestive health minimising stomach bloat and promoting a comfortably flat stomach optibac probiotics one week flat gives you advance capsules made with a formulation of unique probiotics and prebiotics these capsules can be used for a 7 day course to help th