BEST DENTAL CLINIC IN ANNA NAGAR! A low carbohydrate diet produces a state called ketosis. When your body burns stored fat for fuel you may experience “keto breath.” This is different from more common types of bad breath. Many describe it as a metallic taste, a fruity smell or something similar to nail polish remover. If you suspect that your breath is off-putting to others, schedule a checkup. In just minutes we at Apple Dental can assess your oral hygiene and determine not only the cause of your bad breath, but provide a care plan to eliminate it.