Best Ketone Breath Analyzer and Meter for the Ketogenic Diet

best keto breath analyzer

Getting into a state of ketosis is the key to burning body-fat and weight loss on the ketogenic diet. It’s so important, in fact, that you don’t want to leave it to chance. That’s why you should invest in a keto meter.

A keto breath meter will tell you whether or not you are in ketosis. When it comes to self-testing for ketosis you’ve got three options – blood, urine or breath. Of the three, breath analysis is by far the easiest.

Keto breath testing means that you don’t have to mess around with body fluids. In this article, we’ll take a close look at the 5 best keto breath monitors on the market.

How Do Keto Breath Monitors Work?

Other ketone monitors rely on either your blood or urine and non-reusable ketone strips (which you have to keep on buying). A ketone breath monitor, however, analyzes the level of acetone in your breath. This then allows you to determine the level of ketones in your body.

Acetone on your breath is a byproduct of the ketones that are being utilized for energy by your body. A ketone breath analyzer will assess the levels to acetones that you are breathing out and tell you whether or not you are in a state of ketosis.

There are some major advantages of using a ketone breath analyzer instead of a blood or urine analyzer. These include . . .

  • Blood and pain free!
  • No need to use a lancet
  • No need to keep buying keto strips
  • Real time acetone measurements
  • Simple and instant
  • Easy tracking for efficient weight loss

On the negative, side ketone breath testing is less accurate than ketone blood testing. However, because it is so quick and easy, and because it doesn’t use up valuable keto sticks every time you test. You are able to do multiple tests throughout the day to get a more accurate picture.

There are a few breath analyzers that are specifically created to test ketones. However, some others that are normal breath analyzers will also test your acetones, and therefore, your ketone levels. But don’t go out and buy those fancy mega-expensive alcohol breath monitors as they actually filter out acetone readings!

Top 6 Ketone Breath Analyzers

Best Keto Breath meter Review

ketonix breath analyzerThe Ketonix breath analyzer is one of the few breath analyzers that are specifically made to analyze your ketones. It is a device that is about the same sized as a large marker. To use it you simply blow into the mouth piece. The machine will then display a colored LED light to indicate your acetone range. It’s that simple!

The Ketonix breath analyzer comes with a USB cord which attaches to the base. This USB cord is about 3 feet long. This provides you with plenty of range when you bring it up to your mouth.

The mouthpiece on the device comes off so that you can easily clean it. That is important as the body of the unit should not come into contact with the water. Many other devices do not have detachable mouth pieces, making them far harder to clean.

It is important to note that when you put the mouth piece back on, you need to line up the cutouts in the plastic so that the air that you blow into the device is released.

There are two ways to use the Ketonix breath analyzer. For a quick yes or no as to whether you are in ketosis, you can simply blow in to the device and take a look at the color readout that comes within about thirty seconds.

ketone breath analyserBut if you want a more detailed analysis, plug in the USB and, once you blow into it, your computer will display a numeric result.

Because this is a pure ketonix device, the acetone level measurement will be in parts per million. After blowing into the mouthpiece for 10-20 seconds, the readout will display one of four colors after 30 seconds.

Here’s what each color represents . . .

  • Blue = 0 – 150 nmol/L
  • Green = 150 – 400 nmol/L (Small)
  • Yellow = 400 – 930 nmol/L (Moderate)
  • Red = > 930 nmol/L (Large)

Ketonix is manufactured by the Swedish company Ketonix AB. However, it has distribution centers, and matching websites in many countries, so you don’t have to worry about shipping the device from Sweden.

So, does Ketonix really work?

The simple answer is yes. It is never going to be as accurate as a blood or a urine analysis but it will let you know if you are in a state of ketosis. If you’re not, you will know that you need to make adjustments to your diet in order to cut more carbs from your system.

In terms of cost, there is a decent outlay required to purchase the Ketonix breath analyzer. However, once you have it, there is no further outlay required. You will never have to buy ketone sticks or lancets.

The Ketonix breath analyzer is FDA approved. It also comes with a 12 month guarantee.

Click here to read our in depth Ketonix Review.

Pros
  • Accurate
  • Keto specific
  • Easy to use
  • Convenient
Cons
  • Quite expensive
Greenwon breath analyzerThe Greenwon AT6000 Breath analyzer is not a specific ketone monitor. However, this small hand held breath monitor can test your acetone as well as your ethanol breath level. It will show you blood alcohol content to three decimal points. This contrasts to the majority of meters at the same price range which only give readings to two decimals points. In order for the Greenwood AT6000 to give you accurate ketone readings you should exhale as much as possible before blowing into it. This will allow it to get the air from the bottom of your lungs. Some online reviewers have mentioned that this device gives fairly wide fluctuations in readings, while others extol its accuracy. They key to success will be to take multiple readings and work out an average. If you are using the Greenwon AT6000 as an alcohol breath analyzer you will notice that the beep that it emits when your alcohol level goes over 0.050 will be uncomfortably loud! The Greenwon Digital LCD Breath Analyzer keychain is a pared down version of the AT6000. It only gives readings to two decimal points. It is also cheaper than the AT6000 and a little smaller. A final difference between the two is that the keychain version of the Greenwon breath analyzer has a less invasive beep when you alcohol level exceeds 0.05.
Pros
  • Portable
  • Alcohol and Ketones
  • Readings to 3 decimal points
  • Well-priced
Cons
  • May give fluctuating readings

review keto breath analyzerThe Huainafajk Keto Breath Analyzer is a budget model that is specifically designed to analyze the ketones in your breath. This is a one touch device that is simple to operate and great for assisting with the ketogenic diet. Simply turn on the device and wait for the BLOW prompt on the LED screen. Then blow for 20 seconds. The device will start reading your acetone level after five seconds.

The device will display one of three colors. A green light will indicate that you are in a state of ketosis. A red light will indicate that you are not in a state of ketosis. And amber light indicates that the batteries are low.
The device is powered by two AA batteries.

The Huainafajk Keto Breath Analyzer comes with a 12-month guarantee.

Your purchase package includes the following items:

  • 1x portable ketone meter
  • 5x replaceable mouthpieces
  • 1x carrying bag
  • 1x user manual

The Huainafajk Keto Breath Analyzer is a low-cost device that will not give you the sort of accuracy that you will get with a top of the line breath analyzer like Ketonix. This device will give you a general indication but cannot be relied upon. We suggest saving a little longer in order to invest in a Ketonix.

Pros
  • Keto specific
  • Easy to use
  • Budget price
Cons
  • Not overly accurate

Mobile phone firendly breath analyzer The BACtrack Mobile Smart Phone Breath Analyzer allows you to turn your phone into a breath analyzer. It features wireless Bluetooth connectivity which allows you to sync it to your smartphone. Through the companion i-Phone app you can view your breath blood alcohol results as well as your acetone levels to give you an indication as to whether or not you are in ketosis. The app also gives detailed information about how your BAC readings affect behavior.

If you are using this device as an alcohol breath analyzer, it also predicts the likely time it will take until you are sober. You can store your readings on your phone, in the cloud or you can discard results after each measurement. The app even allows you to share readings over social media sites such as Facebook and Twitter.

The BACtrack unit is lightweight and small enough to fit into the palm of your hand. It comes with its own handy protective case. The device has a single button for powering it up and imitating the pairing mode. The blue LED flashes to indicate power and connection status. Once the device is paired to your phone, you simply tap the screen to begin the analysis process. Blow into the mouthpiece for a few seconds. Then wait a few more seconds for your results to appear on the app on your smartphone. The device comes with a set of plastic tips to allow others to use it.

This unit has been tested and shown to be 95 percent as accurate as breath monitor devices used by the police.

The BACtrack comes with a 12-month warranty. It also comes with three washable replaceable mouthpieces.

Pros
  • Connects to Smartphone
  • Easy to use
  • Budget price
  • Matching app
Cons
  • Not keto specific

Ketone breath analyzerKetoXpert Ketone Breath Analyzer is a budget model home breath analyzer to allow you to tell whether or not you are in a state of ketosis. It is a simple hand held device that will give you an indication of whether you are in keto based on the levels of acetone in your breath.

This device will give you a very general indication and is overly reliable. A reading of over 0.2 g/L and you will be in ketosis. If you have a 0.00 reading it means that you are not in ketosis.

This device comes with a user name that is emailed to the purchaser.

While not nearly as reliable as the Ketonix breath analyzer, the KetoXpert is a cheap alternative that will give you a general indication of whether or not you are in a state of ketosis.

Pros
  • Easy to use
  • Budget price
  • Keto specific
Cons
  • Not that accurate

KetoIQ breath analyzerKetoIQ is a budget priced portable breath analyzing device for the ketogenic diet that will test the level of acetones in your breath. Every single unit sold it quality tested in the USA to ensure that will give you accurate, reliable results.
KetoIQ has a modified alcohol semi-conductor sensor which estimates acetone levels. Acetone is a biomarker of bet-hydroxybutrate in plasma and a byproduct of being in a state of ketosis. Once you have gotten your acetone reading from the screen, you convert it by multiplying your g/l reading on the screen by 10 and dividing by 2 to get an estimate mmol keto reading.

Keto IQ also serves as an alcohol estimator. This is a very convenient way to check whether you are over the limit.

This is a cost-effective alternative to the more expensive ketone breath testers. Though it is not as accurate as the top of the line home models such as the ketonix breath analyzer, this is the most reliable of all of the budget keto breath monitors that we have looked at.

This product come with a 12-month guarantee.

Pros
  • Easy to use
  • Budget price
  • Keto specific
Cons
  • Not that accurate

Summary

The best keto breath analyzer for the ketogenic diet on the market today is the Ketonix breath analyzer. This is a quality device that is specifically made to test the acetone level of your breath in order to tell if you are in a state of ketosis, thus aiding fat and weight loss. It’s not cheap, but it is a one-time purchase that you will be able to use every day for the rest of your life!

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