Looking for a simple way to monitor your ketone levels? Try the Perfect Keto Test Strips. Coming with 100 strips/bottle if you buy the bulk kit, they’re safe, easy to use, and will last you a while. The Perfect Keto Test Strips operate on urine tests and are much easier to use than glucose blood meters or breath analyzer monitors. And I’d remiss not to mention that results show only 40-60 seconds after a test.