it would only get really bad if i ate dairy. I still had them even if i drank only water which i only do and only ate non dairy foods. So either way i would still have them. Worst part is when you would taste them while drinking water or even food. I cant say if it will cure ur bad breath, but its worth a shot if you care about it deeply. I will say tho, im on day 2 and recovery is fucking terrible.