How Do I Know I’m in Ketosis? Watch for These Signs

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A woman using a blood ketone meter

Am I in ketosis yet?

Ketosis is a powerful way to optimize health, energy, physical performance, and weight loss. The ketogenic diet allows the body to switch fuel sources from burning sugar (glucose) to burning fat (ketones). But what do the ketosis signs and symptoms look like?

There are several tools available on the market to measure actual levels of ketones; however, keep in mind that your body will let you know for free! Ketosis is not the end-all-be-all goal… instead, reach for the energizing health benefits that come from living fat-fueled.


The physical signs and symptoms of ketosis:

ketosis signs know how and remedies for the keto flu – Collin with a cup of coffee

Short-term ketosis signs include:

Starting off is not so great but no worries! These are typically only experienced at the beginning of starting a keto diet and usually subside within days. Feeling your absolute best is right around the corner!

A woman holding a blood ketone meter in a kitchen

Long-term ketosis signs include:

This is when the magic is happening! These symptoms are typically experienced once keto-adapted (when the body has adjusted to using fat for fuel).


A man on a stationary bike in a gym

What if I’m not seeing any physical benefits of ketosis?

For some, the physical benefits are not so obvious and lack of ketosis is often related to too many hidden carbs or excess protein sneaking into the diet. If diet adjustments fail to work, here is a breakdown of ways to measure if one is actually in ketosis.

First off, the body produces 3 types of ketones all of which can be measured to indicate if one is in ketosis:

  • Acetoacetate (urine)
  • Beta-hydroxybutyrate (blood)
  • Acetone (breath)

The most common tools used to measure ketosis include:

ketosis signs know how – tools for measuring ketosis

Urine Ketone Sticks:

Measures excess ketones not being used for fuel and helps answer the question “Am I in ketosis?”. This is a great tool to use in the very beginning stages of starting the keto diet, but results will fade away once the body has adapted to fueling off of fat.

A blood ketone kit on a table

Blood Ketone Meter:

The “Gold Standard” of measuring ketones. Blood ketones are what the body and brain use for fuel when your cells don’t get enough glucose. Keto Mojo is a favorited brand amongst our Hip2Keto team and has proven to be extremely effective.

A breath ketone meter

Breath Ketone Meters:

More reliable than the urine strips but can sometimes vary in accuracy and may not be quite as accurate as blood ketone meters. Note that due to the body’s natural process of waking, cortisol is increased causing blood sugar to naturally elevate, which will result in lower ketone readings in the morning. Don’t worry, this is normal and you will find ketones gradually increase later in the day.

  • Pros: Easy, painless, reusable; one-time investment
  • Cons: Expensive, but may be cheaper in the long run.
  • Recommended brands: Ketonix, KetoScan

Shop these highly-rated picks:


ketosis signs know how – tools for measuring ketosis like these test strips

Do I have to measure ketones?

Absolutely not! Being healthy and feeling amazing is the goal, not the level of ketosis. If you are meeting your personal goals and experiencing all the energizing benefits of living fat-fueled, then who cares about the colors and numbers? However, many people do find that measuring can help indicate if they need to adjust their diet and/or lifestyle, especially if the benefits are lacking.


A woman holding a blood ketone meter

The takeaway?

Your body has the ability to tell you the signs of ketosis… try listening first! If you find yourself struggling to meet your personal goals, measuring ketones may be helpful to determine progress towards living fat-fueled.

Remember the ultimate goal is experiencing the awesome health benefits of living keto, not the level of ketosis.


Want to learn more about keto? Check out our Start Here page to begin your keto journey!
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