10 Best Ketone Breath Meter of December 2025

• Ketone breath meter with 4 LCD Display colors for indications: 0 reading with WHITE background, 0.1-2.9 readings with GREEN background, 3.0-4.9 readings with YELLOW background and over 5.0 readings with RED background; powered by 2*AAA batteries (not included but commonly available)
• Keto breath monitor is easy to use, 1-button operation to get the ketone readings: Reading of 0.0 signify you are still not in ketosis state, while the readings between 0.5 and 3.0, signify you are in full state of ketosis, which is the optimal ketone zone; more reading details can be checked in the detailed description page
• In order to get accurate ketone readings, please exhaust the residuals completely with the ketone meter before your first use by running the keto breath tester 3 times without blowing, because each ketone breath analyzer was tested during the production before shipping to warehouse, there maybe residuals; if you want to test another person consequently after your testing, please also kindly exhaust your previous residuals
• Please blow immediately within first 5 seconds when displaying BLOW on the ketosis tester if you finish the residuals exhaustion step, because the ketone breath tester starts analyzing the breath right after the first 5 seconds
• Ketone meter includes: 1* ketone breath analyzer, 1* User manual, 1* Carrying bag, 1*10x Mouthpieces, if you meet any problem during operation with our keto test devices, please contact us

Anntoo

• ★ HIGH PRECISON, SENSITIVE RESPIRATORY. ketosis monitor is used to measure the concentration of ketone substances in the human body.The portable breathalyzer is equipped with sensitive semiconductor sensors that can quickly produce acetone results.Provide you with high precision test results (0.2-0.6mg/l).
• ★ ENERGY SAVING, automatic shutdown function.Powered by a 2 x AAA 1.5v battery (not included but generally available), this acetone tester will automatically turn off to save power after completing the test for 5 seconds.Each time the battery is installed, it can be tested more than 200 times.In addition, this breathing acetone tester is designed with low power indicator.
• ★ LARGE DIGITAL LCD SCREEN .The acetone tester has a large screen with an orange background.Backlighting allows you to use this breathalyzer acetone tester if you don't have enough light.
• ★ COMPACT DESIGN.This breathalyzer is small in size, light in weight and easy to carry.You can hang the acetone tester on the keychain when you're not using it, or you can put it in this bag.Pocket size allows you to carry it anytime, anywhere, at home, at work, while traveling.
• ★ 30 DAYS MONEY BACK GUARANTEE,LIFETIME WARRANTY. GREENWON has 20 years of experience in the production of respiratory tester, in the respiratory tester industry enjoys a good reputation.GREENWON is also popular in the us and has a good market share.Thank you very much for choosing glyn's acetone tester.

GREENWON

• Perfect for Losing Weight Tracker – Ketone meter is great for measuring ketones on the Keto diet, low carb diet tracking; Ketone breath analyzer can quickly check if you have ketosis throughout your keto diet
• A good choice - Keto tester is easy to carry and perfect for testing on the go; Breath ketone meter saves you from finger pricks, and the device can be used repeatedly by replacing the mouthpiece
• The ketone breath testing is a far more accurate method than urine strips testing, also more convenient because you only need to breathe with the ketone monitor
• In order to get accurate ketone readings, please exhaust the residuals completely with the ketone meter before your first use by running the keto breath tester 3 times without blowing, because each ketone breath analyzer was tested during the production before shipping to warehouse, there maybe residuals; if you want to test another person consequently after your testing, please also kindly exhaust your previous residuals
• The ketone breath analyzer is easy to use, 1 button operation to get the ketone readings: Reading of 0.0 signify you are still not in ketosis state, while the readings between 0.5 and 3.0, signify you are in full state of ketosis, which is the optimal ketone zone; more reading details can be checked in the detailed description page

BreePoot

• Please blow immediately within first 5 seconds when displaying BLOW on the ketosis tester if you finish the residuals exhaustion step, because the ketone breath tester starts analyzing the breath right after the first 5 seconds
• In order to get accurate ketone readings, please exhaust the residuals completely with the ketone meter before your first use by running the keto breath tester 3 times without blowing, because each ketone breath analyzer was tested during the production before shipping to warehouse, there maybe residuals; if you want to test another person consequently after your testing, please also kindly exhaust your previous residuals
• Ketone breath analyzer with 4 LCD Display colors for indications: 0 reading with WHITE background, 0.1-2.9 readings with GREEN background, 3.0-4.9 readings with YELLOW background and over 5.0 readings with RED background; powered by 2*AAA batteries (not included but commonly available)
• Keto breath monitor is easy to use, 1-button operation to get the ketone readings: Reading of 0.0 signify you are still not in ketosis state, while the readings between 0.5 and 3.0, signify you are in full state of ketosis, which is the optimal ketone zone; more reading details can be checked in the detailed description page
• Note: You cannot simply jump into ketosis in a 24-hour timespan. Your body has been burning sugar for fuel your entire life. It will need time to adapt to burning ketones for fuel. Please choose a fixed time in the morning for the testing when you are still in fasting status, as everything you intake including water will influence the acetone content from your breath

GDbow

• ✓ KETO MADE EASY – Whether at home, or on the go, we have a one-step solution to monitoring your individual ketone levels. With just one breath, our ketone breath analyzer will detect and display your reading. It’s that easy!
• ✓ UNLIMITED USAGE! - The Keto breath meter is uniquely designed to detect ketones by acetone. What does this mean for you? Quite simply, no more invasive finger-pricks or placing endless orders for test-strips. Today’s investment will provide you with years of effective and accurate ketone management.
• ✓ BOOST WEIGHT LOSS! – Discover with confidence foods and activities that improve your health goals with Keto-PRX’s advanced sensor technology.
• ✓ AMAZON CUSTOMERS LOVE US! – It’s no wonder everybody chooses the Keto-PRX, here’s an epic review from Jessica, an Amazon customer: “…I love this ketone meter. It’s so easy to use and really helps you stay on track and motivated!” Get yours today while supplies last!
• ✓ RISK FREE! - We are driven by customer satisfaction and offer a 30 days guarantee and 2 years free warranty in support of this. Our support team is US based and provide accessible, practical solutions to whatever problem you may be facing.

PRX

• Perfect for Losing Weight Tracker – Ketone meter is great for measuring ketones on the Keto diet, low carb diet tracking; Ketone breath analyzer can quickly check if you have ketosis throughout your keto diet
• A good choice: Keto tester is easy to carry and perfect for testing on the go; Breath ketone meter saves you from finger pricks, and the device can be used repeatedly by replacing the mouthpiece
• The ketone breath testing is a far more accurate method than urine strips testing, also more convenient because you only need to breathe with the ketone monitor
• In order to get accurate ketone readings, please exhaust the residuals completely with the ketone meter before your first use by running the keto breath tester 3 times without blowing, because each ketone breath analyzer was tested during the production before shipping to warehouse, there maybe residuals; if you want to test another person consequently after your testing, please also kindly exhaust your previous residuals
• The ketone breath analyzer is easy to use, 1 button operation to get the ketone readings: Reading of 0.0 signify you are still not in ketosis state, while the readings between 0.5 and 3.0, signify you are in full state of ketosis, which is the optimal ketone zone; more reading details can be checked in the detailed description page

BreePoot

• [MADE IN KOREA] Buy Ketoscan mini, Get free 20 mouthpieces! Available at "Make it a Bundle" Ketoscan mini is a portable breath acetone analyzer that measures the ketone level and calculates body fat burning rate in your exhaled breath.
• ✔NON-INVASIVE: No need to prick your fingers. Just blow into the device for 3 seconds.
• ✔MOBILE APP. CONNECTABLE: Record and monitor your acetone levels and weight daily, weekly and on a monthly basis. Also Leave comments, and track your calories with photos of the food that you ate.
• ✔RESULT IN PPM : Check your results on both the device and the mobile app. Even without the mobile app., the device displays your results in PPM(Parts Per Million) on the built in white dot matrix display.
• ✔CALCULATE BODY FAT BURNING RATE: With the result you can determine your body fat burning rate as well as your optimal ketosis state. It will help you plan your nutrition and fitness regime.

KETOSCAN

• In order to get accurate ketone readings, please exhaust the residuals completely with the ketone meter before your first use by running the keto breath tester 3 times without blowing, because each ketone breath analyzer was tested during the production before shipping to warehouse, there maybe residuals; if you want to test another person consequently after your testing, please also kindly exhaust your previous residuals
• Please blow immediately within first 5 seconds when displaying BLOW on the ketosis tester if you finish the residuals exhaustion step, because the ketone breath tester starts analyzing the breath right after the first 5 seconds
• Ketone breath analyzer with 4 LCD Display colors for indications: 0 reading with WHITE background, 0.1-2.9 readings with GREEN background, 3.0-4.9 readings with YELLOW background and over 5.0 readings with RED background; powered by 2*AAA batteries (not included but commonly available)
• Keto breath monitor is easy to use, 1-button operation to get the ketone readings: Reading of 0.0 signify you are still not in ketosis state, while the readings between 0.5 and 3.0, signify you are in full state of ketosis, which is the optimal ketone zone; more reading details can be checked in the detailed description page
• Note: You cannot simply jump into ketosis in a 24-hour timespan. Your body has been burning sugar for fuel your entire life. It will need time to adapt to burning ketones for fuel. Please choose a fixed time in the morning for the testing when you are still in fasting status, as everything you intake including water will influence the acetone content from your breath

GDbow

• Ketone breath meter with 4 LCD Display colors for indications: 0 reading with WHITE background, 0.1-2.9 readings with GREEN background, 3.0-4.9 readings with YELLOW background and over 5.0 readings with RED background; powered by 2*AAA batteries (not included but commonly available)
• Kind reminder: the result will be slightly different from the blood meter because of different analyzing methods. Please catch the same keto meter to track your own personal ketosis records, only in this way you can get your own changing status

YIKKAI

• 3 seconds is enough time to hack your metabolism. Take a breath slightly then breathe out into the device. It displays a result after blowing for just 3 seconds. An installed highly sensitive flow-rate sensor ensures accurate results.
• Accurately measures breath acetone concentration at 100 resolutions (0.0~99) using a PPM (Part Per Million) measurement. Ketone Breath Meter provides you of results that are simple and easy to understand.
• Breath ketone meter saves you from finger pricks, and the device can be used repeatedly by replacing the mouthpiece; the Ketone breath meter provide 32 recent test records for you to check
• Keto breath monitor is easy to use to get the ketone readings: Reading of 0.0 signify you are still not in ketosis state, while the readings between 0.5 and 3.0, signify you are in full state of ketosis, which is the optimal ketone zone; more reading details can be checked in the detailed description page
• We are stand by all our products, but if you are unhappy with your ketone breath meter, you may return it any time during the first 180 days

Bestshown