AB-Flo Capsule can be taken with the food in evening. But take it at the same time every day to get the most benefit. The dose and how often you take it depends on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. You should take this medicine for as long as it is prescribed for you. Do not miss even a single dose, if in any case, you missed a dose, take it as soon as you remember or better to skip the missed dose and continue with regular dosing. It does not work immediately or prevent the already started breathing trouble, hence always carry your medical inhaler with you for an emergency.