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What Are KetoStix and Where Should I Buy Them?

One common question many new ketosis dieters face is finding out whether or not they have reduced their carbs enough to get in to ketosis. Well, there is a much better way than guessing whether or not you are in ketosis. By using Ketostix, you can easily tell whether or not your body has finally switched over to ketosis.


Ketostix, also called keto sticks or ketosticks, are small plastic strips that are used as a tool to analyze the amount of ketones in your urine. As we know, once in ketosis, our bodies excrete excess ketones through the urine. So, in essence, ketostix contain a reagent that, once in contact with urine, will change colors to indicate ketone levels. Thus, ketostix can be used by dieters following a ketosis diet to verify that their body has shifted in to a state of ketosis!

Should I Buy Ketostix?

If you are a beginner, the use of Ketostix is highly recommended. Not only will you know for sure if you are in ketosis, you can begin to identify the amount of time it takes YOU specifically to get into ketosis and what physical and mental signals are associated with getting into ketosis. Eventually, you will begin to automatically know whether or not you are in ketosis, but for now you should try using Ketostix to get a feel for it.

Another great reason to use Ketostix is due to the motivational aspect. Getting into ketosis is no easy task and it is an awesome feeling to see the color change after testing. A little positive reinforcement can go a long way, especially for beginners or those that find it difficult to consistently stick to a diet.

Where Should I Buy Ketostix?

Since Ketostix were originally intended to be used by diabetics, you can usually find them at most pharmacies or large grocery stores like Walgreens, Safeway or King Soopers. However, these days, it has become cheaper to buy them online. I personally prefer to order them from  Amazon.com. If you run a search for “ketone testing strips” or “ketone urinalysis strips” and you should have quite a large selection to choose from!


  1. Darren,

    Have you thought about using a meter to measure blood ketones ala Jimmy Moore’s n=1 experiment? Are you getting decent readings with the ketostix?

    I got one of the free meters available on the web and a small supply of strips (both ketone and glucose) and I’m surprised at the readings I’m seeing, following a diet that pretty much mirrors what you have posted. Surprising in that it’s been a LOT harder to get into ketosis, a lot slower, and pretty easy to get booted out of it too!

    • Hey Sabu,

      I think its fantastic that you’re taking a such an experimental approach to your diet and I’d be interesting in hearing about some of the specific results you’ve found. I have considered using a meter to try to determine my particular insulin sensitivity to certain foods in a more scientific way. It’s something that I still would like to try at some point to gain a better understanding of my own response to foods. However, I have had a lot of success following this type of diet and haven’t really found it necessary to go that far to achieve results from it.

      I don’t really use ketostix anymore because I’ve followed the diet long enough that I can tell when I’m dropping into ketosis now. Also, as I’m sure you’ve found Ketostix readings can be very spotty. I think they are a great tool to get an understanding of what it takes at the beginning, but so many things affect the readings that they aren’t that reliable. In my experience, the most reliable time is first thing in the morning. Otherwise, if you are drinking a lot of water as you should on this diet, the ketone concentration in your urine will often not be high enough to show up even if you are in ketosis.

      Lastly, its important to remember that for most people any diet with less than 100g of carbs daily will induce ketosis to some extent. The latest research seems to show that most of the fat loss benefits come from the hormone changes that result from the low-carb diet instead of directly from being in ketosis. So, as long as you are following the diet and getting results, I would not stress about the readings too much.

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