Ketosis & Measuring Ketones

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Following my recent post about carbohydrates, I've put together what I consider to be the most important facts about ketosis and measuring ketone bodies.

Ketosis vs. Ketoacidosis

Ketosis is a state at which your body produces ketones in the liver, shifting the body's metabolism away from glucose and towards fat utilisation. The presence of ketones in your body, which is indicative of lipolysis, is a definite proof of ketosis. According to Volek and Phinney in their best-selling book "The Art and Science of Low-Carbohydrate Living", nutritional ketosis is defined by serum ketones ranging from 0.5 to 3.0 mM.

The frequently asked question is whether ketosis is dangerous. Ketosis is not only a great weight loss tool, but it has been used for treating diseases such as epilepsy, Alzheimer's or cancer. You can check out my post here to see more about health effects of ketogenic diets with links to relevant research.

While nutritional ketosis is perfectly safe, ketoacidosis is an indicator of serious health problems. Ketoacidosis occurs in serious health conditions such as type 1 and type 2 diabetics and alcoholics and has nothing to do with nutritional ketosis. The level of ketones in ketoacidosis are 3-5 times higher than in ketosis resulting from a ketogenic diet.

Nutritional ketosis occurs when blood ketones are 0.5 to 3.0 mM. This is completely different to urinary ketones, as they may be higher or lower.

4 Ways to Measure Ketones

There are three types of ketone bodies: Acetone, Acetoacetate and Beta-Hydroxybutryate (BHB). Unlike protein intake, where the daily amount is determined by your lean mass weight, the amount of carbs to enter ketosis can be estimated using:

1) Blood ketone meter

It's the most accurate way to measure ketone bodies, beta-hydroxybutryate (BHB, although not technically a ketone body). The level of BHB in your bloodstream will tell you how much you have in your fuel tank but it will not measure the metabolic usage of ketones. Typically, this happens when you just started following the ketogenic diet and are not yet fully keto-adapted. Blood ketone meters can precisely determine the level of ketones in your blood but they are also pricey. To give you an idea, the meter itself is about $40 and the test strips cost $5 each. If you want to test yourself daily, it will cost you $150 per month plus the cost of the meter. I don't know about you but I'd rather spend it on quality food or a gym membership. On the other hand, if you are on the Restricted Ketogenic Diet and numbers matter to you, a blood ketone meter may be the best and only option you have.

Ketostix (urine test strips) vs. Blood ketone meter

2) Breath testing - "Breathalyzer"

According to Volek and Phinney in The Art and Science of Low-Carbohydrate Living (chapter 13, Ketones - To Measure or Not), a non-invasive and cheap alternative is to measure breath acetone concentration. Acetone is one of the ketone bodies that results from a break down of acetoacetate. The level of acetone will reflect the metabolic usage of ketones.

The Ketonix Acetone Breathalyzer is available and offers an easy and inexpensive way to test your breath ketones (acetone). Keep in mind that breath ketones do not always exactly correlate with blood ketones and are affected by several factors (alcohol consumption and water intake). You can find my review of the breathalyzer here.

3) Urine ketone strips

Ketostix, Uriscan and other urine detection strips are not as accurate. They only measure the level of acetoacetate - excess ketone bodies that are not utilised by the body and are excreted via urine. Urine ketone strips can still be useful during the initial phase of the ketogenic diet when you simply want to test the level of carbohydrates in order to enter ketosis.

Some people use them to test if they are sensitive to certain foods that may be keto-friendly but still have a negative effect on their progress. They are easy to use and fairly cheap. You'll pay about $10 for 50 strips, that's $6 a month if you test yourself daily. If urine detection strips don't work for you, use one of the other two methods.

Ketosis & Measuring Ketones

4) Observation

Listening to your body's signals is another way of finding out whether you are in ketosis. When your body is in ketosis, you may smell of acetone. This could be sensed in your breath, sweat or urine. Some people refer to this as ketogenic "fruity" smelling breath. If you detect any of these signs, you are more than likely in ketosis.

Why are Ketostix Inaccurate?

As mentioned above, although your body may produce ketone bodies which you can measure in your blood stream, Ketostix only show excess ketone bodies excreted via urine. These excess ketones are, in fact, wasted calories. Below are the main reasons for different level of ketone bodies in your blood and urine:

  • Ketostix don't measure all types of ketones produced by your body. Although there are 3 types of ketones (acetone, acetoacetate and beta-hydroxybutyrate), they only measure acetoacetate. Depending on how long you have been in ketosis, your body produces different types and amounts of ketones and you may not be able to detect acetoacetate when keto-adapted. For more details, check out this post at Ketopia.com.

  • As you become keto-adapted (3-4 weeks), you will excrete less ketone bodies via urine. This means that you may show high blood ketones and low or none urine ketones.

  • Also, changes in hydration affect the concentration of ketones. A high water intake may dilute the concentration of ketones in the urine. Because it's important to stay hydrated, you will likely see lower readings.

  • Other reasons (fluctuations that appear after waking up, after eating and post-workout)

More Ketones, More Fat Loss?

Most people believe that in order to lose as much fat as possible, they need to restrict their carbs intake as much as they can. I've already explained the main effects of a low-carb, ketogenic diet.

Ketosis & Measuring Ketones

Currently, it's not clear what the full effect of such carbs restriction is. Some diet authors, including Atkins himself, supported the idea that more ketones equals more weight loss. The reasoning they gave was that ketones are, in fact, calories which are made from the breakdown of fat in the liver. Is that really a valid reason?

Although some fat loss may appear as a result of a potential "metabolic advantage" (more ketones / calories excrete), the most important factor for fat loss is natural appetite control. While urinary ketone excretion means that body fat is being excreted causing fat loss, the effect is minimal: Based on recent studies, the number of calories lost in the urine as ketones is not significant (100 kcal at most).

Anecdotally, higher levels of ketones may actually slow down fat loss. Individuals who maintain lower ketone levels (trace ketones) appear to lose fat more efficiently. Why does that happen? One explanation may be that high levels of ketones in the bloodstream may slightly raise insulin and block the release of free fatty acids from fat cells.

Also, when becoming keto-adapted, some individuals tolerate relatively greater carbohydrate intakes without disrupting ketosis. It's up to you to find your optimal carbs intake. As I've explained above, more ketones won't help you burn significantly more calories - no studies show such effects. As long as you stay in nutritional ketosis (0.5 to 3.0 mM), moderate amounts of carbohydrates can be added to your diet.

If you want to know more about ketone levels and their effect on fat loss, have a look at this post: Do Ketones Matter?

Don't Focus Just on Ketones, See the Big Picture

Recently, I've noticed a growing obsession when it comes to measuring ketones precisely. Although urine detection strips may not be accurate for keto-adapted people, they work for most of those that have just started the ketogenic diet. By the time they become keto-adapted, which takes 3-4 weeks, most of them understand what to eat and what to avoid without any real need to measure the precise level of ketone bodies.

Ketosis & Measuring Ketones

I've been in nutritional ketosis on and off for almost two years and can't really complain about urine strips. I don't personally need to track exact numbers because it won't make a difference to me. When I started, I used Ketostix to find out when I was in ketosis and what my net carbs limit should be. These days, my daily net carbs intake varies from 30 to 60 grams depending on how active I am.

My advice is that you should give Ketostix a try. If you need to keep track of your ketone levels, use a blood ketone meter or the breathalyser. In the end, what really matters is not ketones but the effects of low-carb diets: weight loss and improved health.

Tips for Measuring Ketones

  • Generally, ketone concentrations are lower in the morning and higher in the evening. Whatever time you pick to measure ketone levels, make sure to keep it consistent. Also, do not measure your ketone levels right after exercise. Ketone levels tend to be lower while your glucose levels higher so you won't get representative numbers.

  • Keep in mind there are daily fluctuations caused by changes in hormone levels. Don't get discouraged!

  • Another aspect that affects the level of ketones is the amount of fat in your diet. Some of you may show higher concentration of ketones after a high-fat meal. Coconut oil contains MCTs that will help you boost ketones.

  • To easily increase your fat intake on a ketogenic diet, try fat bombs - snacks with at least 80% fat content.

  • Ketone levels tend to be higher after extensive aerobic exercise as your body depletes glycogen stores. Exercise may help you get into ketosis faster.

  • ketogenic "fruity" breath is not pleasant for most people. To avoid this, drink a lot of water, mint tea and make sure you eat foods rich in electrolytes. Avoid too many chewing gums and mints, as it may put you out of ketosis; there may be hidden carbs affecting your blood sugar.

  • Increase your electrolyte intake, especially potassium. You are likely going to lose some sodium and potassium when switching to the keto diet.

  • Finally, if you find it hard to lose weight on a ketogenic diet, there may be plenty other reasons than the level of ketone bodies: Not Losing Weight on Low-Carb Ketogenic Diet? Don’t Give Up and Read Further.

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Martina Slajerova
Creator of KetoDietApp.com

Martina Slajerova

I changed the way I ate in 2011, when I was diagnosed with Hashimoto’s, an autoimmune disease that affects the thyroid. I had no energy, and I found it more and more difficult to maintain a healthy weight.

That’s when I decided to quit sugar, grains, and processed foods, and to start following a whole-foods-based ketogenic approach to food.

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Comments (244)

Martina, some nice detailed info here, I'll push my luck and ask a question.
I've been using my Ketone meter for one week now, and have been getting variable readings mostly from from 0. 4 to 0. 8. can you confirm that these numbers represent ketones produced from the fats I ate last meal, rather than my body's general ability to burn fat rather than glucose? I'm trying to understand the variability - I thought the aim would be to gradually to increase the reading.

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I have been on the keto diet for about a month, I'm very careful about what I eat and never go over my net carbs. I had been using urine strips and always tested over 40mg/dL. I just bought a blood meter and haven't got a result over .8 mmol/L, usually more around .4, I've done both test at the same time and the urine is always greater than 40mg/dL and the blood was only .4 mmol/L. Any ideas why, or am I confused on how I should be reading the results. I've had the energy increase along with the beginning of weight loss. Please help.

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Hi, i'm three weeks into keto diet and have just purchased a ketone blood monitor. My ketone reading is regularly sat at 0.9 what would you advice in order to raise this to the optimum 1.5?

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Hi Martina,
I’ve been following a low carb/keto lifestyle for 14 months now and I too have hashi, suffering chronic fatigue for around 15 years following my diagnosis. I’m the first to admit that I tend to cave one day at the weekend and have a ‘day’ off. However, after reading your article I’m realising I’ve probably never been in nutritional ketosis in the 14 months I’ve chosen this lifestyle!.This has been pretty soul destroying learning but it’s learning nonetheless. Regardless of nit being in NK, I most definitely feel 100% that I did however I’ve taken a holistic approached and changed many things such as supplements, Kefir and turmeric to name a few. Thanks for your article, just wanted to reach out after reading you have hashi too so it’s comforting to know that it helps. I’ll stick with it and need to try not to see food as a reward or a comfort and doing Keto has opened my eyes up to being an emotional eater. Thanks

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Hi, I have a question you may be able to help me with i started the keto diet about 7 days ago i tested myself with the keto strips the reading the last 2 days has been small 15 mg/dl am i in ketosis. I am 54 Years old 6-2 285.
Thank you,Sincerely Mike T.

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Hello,
Thank you for this article. I have been so frustrated with the blood keytone readings. I have been on Keto for a month. I really want the fat loss. My readings have never gone above .9  They range from .2 to .6 mostly. Do I need them to be higher?

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Hello. I am 67 years old. I keep my carb intake at or below 50 grams. I have eaten like this for years. Year before last, my fasting total cholesterol was I think 236, but triglycerides were low and HDL was high. It was the LDL that was off the mark. Well, this year my cholesterol was tested and it was 369. The doctor wanted to put me on meds but I refused. I knew it was from eating so much saturated fat. I love the fat on steak and pork like people enjoy ice cream and cake. I was eating it every day. I would eat the crispy chicken skin before eating chicken. I ate cheese and eggs, every morning, with sour cream...on and on. Anyway, I had to stop eating meat, eggs, cheese, dairy. I do not eat saturated fat, at all, now. I eat fish, egg whites, salad, tofu and up to 50 grams of carbs, which includes a small amount of beans, each day, and veggies. I also take vitamins and plant sterol supplements. I am wondering why my cholesterol went up so high when it was suppose to go down? No one in my family has high cholesterol, on either side. Not looking for personal advice. Just putting it out there.

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Hi.  Thanks for the great information.
I’m new on the diet; only a week.  My question is, if I observe my urine reading go down while my blood measure stays up, will that be indicative of adaptation?  The theory being that the Ketones still are being produced but expelled at a lower rate.
I anticipate adaptation to occurs within about a month and I hope at that point I feel better and have more energy.

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Hi Edward, yes, what you should observe as you are getting keto-adapted. But, keep in mind that very high levels of blood ketones can be indicative of poor keto-adaptation. When you get keto-adapted, your blood ketones will likely drop as well because you will be using them for fuel rather then keeping them in the blood stream: The Ketone Craze - Who Really Benefits From High Ketone Levels?

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Thank you for clarifying the "sweet" spot for Ketone levels for those of us in Nutritional Ketosis. I was very confused on how it related to ketoacidosis.
Extremely great reading. Thank you!

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Hello -
I started Keto about 7 weeks ago. I have been doing well and am about 15 lbs down (though I try to only weigh every 1-2 weeks so maybe a bit more at this point). I was using keto urine strips and getting large ketos results and decided to try a blood monitor. My result this morning (after 1 cup of coffee with HWC) was 6.4mmol/L! What?! Should I be worried? Should I add some carbs in to lower my numbers a bit. I find that I barely have an appetite these days and am only eating 1 meal a day and a couple of small snacks. I do not have diabetes. TIA!

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Hello Christy, although this level is high, it is in the starvation ketosis range, likely achieved by intermittent fasting combined with a very low-carb approach. It is far from the dangerous ketoacidosis level (extremely high ketones and blood sugar). However, achieving nutritional ketosis (0.5-3 mmol) would be a better approach as this is the optimal level for therapeutic purposes. You can read more about ketone levels in this post: The Ketone Craze - Who Really Benefits From High Ketone Levels?

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Hi Martina
I just wanted to say thank you, thank you for this amazing resource and the information you provide. It's amazing and [it seems] incredibly extensive.
I also have the app on my phone and have made a number of the recipes, some of which have become staples.  😊
Mianne

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Thank you for your kind feedback!

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I went to my urologist yesterday and my ketones were 0.0, so what is wrong with me? I just don't understand why I'm not in ketosis? I have been sticking to my macros as best I can. I don't have any special equipment to measure what I am eating but I try to eyeball it for now. Any suggestions? I was told to use the KISS method so I am doing just that, keeping it simple.

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Hi Ann, just to understand, is this number resprsenting urine ketone levels? Please, keep in mind that urine ketones are not a reliable way to asses whether you are /are not in ketosis, especially once you get keto-adapted. Also, make sure to read this post: The Ketone Craze - Who Really Benefits From High Ketone Levels?

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Hi, i meaured my blood ketosis value and is 0.7 mmol/l , how do I raise it to the optimal values of ketosis?

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Hi Tiziana, there are a few ways to raise your ketone levels (increase fat intake, fasting and exogenous ketones) but before you do, please, read this post: The Ketone Craze - Who Really Benefits From High Ketone Levels?
Facts:
1) Most people do not need to aim for high ketone levels.
2) High ketone readings (even blood ketones) may be indicative of your body not using ketones effectively.

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I am curious about my ketone readings.  i have done this before a few years back.  the past 3 months my ketone levels have been 1.5-2mmol/l at about any given time of day.  Nothing has changed in my diet and recently i am lucky to get .5-.9mmol/l.  Am i ketone adapted or did i somehow get knocked out of ketosis?

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Hi Jeff, do not get discouraged by lower ketone readings. It may just be that your body is using ketones effectively and you will naturally see lower readings. Please, read more here: The Ketone Craze - Who Really Benefits From High Ketone Levels?

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I am hitting my macros.. I test my blood ketones..0.4. What am I doing wrong.  Have
Been eating keto since Sept 2017. Before I started watching macros I was on point

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Hi Karen, see my comment above. I hope this helps!

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I found this article well written.
Still more science is to be understood on the body and metabolism. Your article was very balanced and not full of opinion.. Nice writing 😊

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I have a blood glucose meter it measure in mg/dl. I know I have to convert my numbers to mmol//l in order to get ketones.  my  numbers have been in the 80 to 90 range on the bgmeter. according to everything i have read, you need to divide 80 by 18 to get your ketone numbers.  which comes up to 4.4 in mmol.
which according to articles is over the range of .05 to 1.3  so how do I get lower?

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Hi Gary, just to clarify, you do use different strips for ketone levels? Most blood glucose meters will enable you to measure both ketones and glucose but you do need to use different testing strips to do that. This sounds like you are converting your glucose readings from mg/dL to mmol/L.

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I've been doing Keto for only a little over a month now, but my cholesterol has dropped nearly 20pts.  My triglycerides are down 15pts, my LDLs are down 14pts and my blood pressure is down from 130/90 to 122/72.  I've also lost 14lbs.  I have a concern though, I eat pretty clean and try and keep my carbs under 20g per day.  I test my Keto levels by blood test daily and I hang around 0.4 to 0.7.  Any thoughts on how to get those numbers up?

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Hi Jeff, I think you are doing great! It looks like you are keto-adapted, thus see lower readings: The Ketone Craze - Who Really Benefits From High Ketone Levels?
I rarely go over 1.5 mmol unless I've fasted for 18+ hours, mostly around 0.5-1 mmol.

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Hi
I am in my week 8 of keto.So far i have been very strict and trying to work out my macros to the T. I am drinking 4-5 liters of water everday without fail. But My ketostix always  show urine ketones level between moderate to large(40-80). What am i doing wrong here? And of course the weight loss is slow. What should i do?

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Hi Tanu, please, keep in mind that urine ketones are not a reliable way to asses whether you are /are not in ketosis, especially once you get keto-adapted. Also, make sure to read this post: The Ketone Craze - Who Really Benefits From High Ketone Levels?

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I have been on keto for about 18 months, my room mate started a month ago and I started testing with Keto Mojo blood tester.  My readings keep coming up Lo - the company says my ketones are too low to read - what can I do to make the higher to get into ketosis?  My room mates read fine.
Thanks -

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Hi George, do not get discouraged by lower ketone readings. It may just be that your body is using ketones effectively and you will naturally see lower readings. Please, read more here: The Ketone Craze - Who Really Benefits From High Ketone Levels?
There are ways to boost ketones (eg fasting, higher fat intake or exogenous ketones) but most people do not need to do that as they do not benefit from very high ketone levels.

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Hi Martina,
I hope you can help me. I have been on a Keto diet for around 3- 4weeks now and self test myself with a self test Ketone meter and have readings of 0.1 and 0.2. The weight is falling off me so I expected reading of around 1.0 - 3.0 as per your above diagram. Can you tell me why my readings are low? My diet consists of 70% fat, 25% Protein and 5% carbohydrates. I am on a 2000 calorie intake and consume only 25g of carbohydrates.
Thanks in advance Martina,
Kind regards -Stu 😊  

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Hi Stuart, these levels seem quite low but on the other hand, if you are seeing the results (weight loss), then I wouldn't worry. The fact that your body is producing ketones means you're oxidising fat in the absence of significant carbs, so it's a certainly an indicator that the right processes are in place to lose fat. But when it comes to ketone levels, you don't need to aim high to get the results you need. this might help: The Ketone Craze - Who Really Benefits From High Ketone Levels?
Also, it depends when you measure them (they tend to be lowest in the morning).

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Hi
I've been on the keto diet for almost a month now. I worked out my macros with the keto calculator and have been very strict. I test my blood in the mornings before eating/drinking. In the first few weeks my keto levels slowly but surely went down and I was finally in the optimal range (2.7 reading). However these last two weeks, my readings have been all over the place! As low (ish) as 3.4 but as high as 5.5! I lost a bit of weight in the first couple of weeks but have noticed it creeping back on recently. I've stuck to my macros and not changed anything so why would my readings be so up and down? What does this mean?
Any advice or knowledge you could pass on would be very appreciated!

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Hi Jen, this post might help: How To Low Carb: 15+ Common Weight Loss Mistakes

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I have been in liw carb diet for at least 2 weeks and notice im not liosing weight im very strict about carb consumption in fact im excessively compulsive for example : I use only heavy cream in my coffee but if the container indicates < 1g and no sugar content at all I still count it as a whole carb. What can I do to jump start my matabalisum . I do consume fat such as mascapone cheese no carb , heavy cream as stated butter, and high fat content meats am I doung this correctly? Or am I consuming too much fat aling with high consumption of protein like cheeses plain no sacce ribs and burgers... someone pkease help me learn what im doung wrong Ive read everything...... Luck to all on this diet
Sky
P.S please forgive the spelling the typo's in my phone that it makes even when corrected drive me crazy lol lol lol

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Hi Sky, this post is more relevant to your question - I hope this helps! How To Low Carb: 15+ Common Weight Loss Mistakes

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When starting off in the Keto Lifestyle, it's not about the pounds. The pounds are going to bounce. If you are plateauing or feel like you are not losing weight, there are a few things to try. One, don't use cream in your coffee. Add a tbsp of coconut oil instead. I also add some ground cinnamon and some vanilla extract for flavor. Another good kickstart is some fasting. Check out Dr. Jason Fung's YouTube channel for more information. Essentially, I do 42-hour fastings on Monday, Wednesday, and Friday. I drink a lot of water, I make sure to take vitamin supplements, I drink bone broth with some added pink salt, and I drink my coffee and green tea when I feel my body needs it. And make sure you get those good fats in there: coconut oil, avocados, animal fats. Bacon is my best friend and I use bacon ELIXIR with most of my cooking. Happy Keto! #ketointheruff #ketofam

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Hi Sky!  I started Keto on Jan 15th, and it took 4 weeks to kick in!  It was very frustrating, but I  kept with it, and now I'm down 15 pounds with light weekly exercise.  Track your macros on www.myfitnesspal.com.  I find that to be the most helpful.  Best of luck!

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Why does the glucose tab on the keto sticks not change color when I dip them into sugar mixed in water? Sugar has glucose in it, right?
Any ideas?

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No. Sugar is transformed into glucose within the body once the body had excreted insulin, it does not. "contain" glucose.

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Table sugar is Sucrose, only breaks down into fructose and glucose in the bloodstream which is why glucose sticks do not pick it up, but a blood glucometer will pick it up in blood.

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Sugar is sucrose, which is composed of one molecule of fructose covalently bound to one molecule of glucose. Because the glucose is bound to the fructose, it is not freely floating around in the sugar water and that is why it doesn't show up on a stick testing for glucose.

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Hi, and thanks for taking the time to provide this great resource, and be so responsive.  I am writing this for three reasons:  To explain how you will know if you are going into ketoacidosis so hopefully you never get there, second when you are first diagnosed with diabetes and I have a question.
I had some congestion and bloating issues when eating, well just about anything, so my doctor sent me to an allergy doctor.  As I told my doctor, after I was tested, I had no allergies.  So the allergy doctor said I had to try an elimination diet.  I told him I had been keto-adapeted for years and I was not sure a high sugar/no fat diet would be a good idea; seriously high sugar.  But he assured me it would be fine and not to worry.  Well, over the course of the next week I had some strange reactions; headaches, heartburn, muscle pains going down stairs, an upset stomach and extreme brain fog to the point I could barely walk.
My local hospital after eight hours of waiting in emergency sent me home with four different prescriptions to treat the symptoms.  After receiving such poor care, in the past, from our crappy medical system here in Canada I thought the doctors in the ER were wrong, ripped up the scrips and got driven two hours up the road to a university hospital.  Somehow as soon as they saw me they knew what was wrong.  They said you have Ketoacidosis and we need to hospitalize you right now.  Luckily I made the decision as they said I had an extreme case.  My blood sugar was 23.5(420) with an high level of acid in my blood.  
When I explained, I was keto, on an Atkins style diet, until a week before I had been switched to the high sugar diet.  They said it was the Atkins diet that caused my ketoacidosis.  So riddle me this Batman......20 plus years eating LCHF with no issues - one week of eating HCLF and I was in the hospital and it was the Atkins diet that made me sick?
Trust me you will clearly know if you are developing ketoacidosis, long before it becomes life threatening.  Second, if you monitor and keep your blood sugar low it should never get to the extreme levels I reached, as it takes high ketones and high blood sugar to get there.
What happened next?  I was told I now have diabetes; they were not sure which one as I was about 60lbs overweight, so maybe type two, but my pancreas was barely working so maybe type one.  Regardless they were sure and I would now have to take insulin for life.  I was still pretty out of it and for the first few days and went along with what they were saying.  But once the brain fog cleared I asked "if I am diabetic and I have to take insulin to "cover-the-carbs" then wouldn't it make sense to eat less carbs?"  They said no that is what got you here in the first place, you need to eat carbs, particularly for your brain.  Gotta love the socialized medicine system here.
Typical breakfast in hospital was 1/2cup tangerines in syrup, banana, muffin or bagel, cereal w/skim milk, juice, 1oz of cheese and one egg?  This was the special diet for people with diabetes; lunch and diner were no better.  But, hey just take more insulin to cover those carbs, right?  No wonder diabetes is for life if this is the protocol doctors and hospitals use to treat it.
This was totally illogical to me and I grabbed my laptop and proceeded to find Dr. Bernstein's book.  I tried to specify on my meal plan that I wanted only protein and fat, but the same carbage continued to show up.  Not really very mobile, but hungry I decided to get out of the hospital and see what was around for restaurants.  I started going for breakfast everyday for eggs and bacon, about a 20 min walk.  Same distance for a grocery store where I bought salad greens, some meat and cheese.  And wow all of a sudden, my blood sugar was down from 16(250)-18(325) to 8(145)-12(216).  I was monitoring my blood sugar and did need to eat some sugar a few times, when out walking, to not go too low.
A note about hypoglycemia - it happened a few times to me early on, but now even if I am as low as 2.5(45) I will not have any symptoms or go hypo.  Not to go into too much detail here but there was a well formulated, monitored study (I think in the 60's) where they put the folks on starvation diets and then they gave the participants insulin to lower their blood sugars.  None of them had symptoms or went hypo.  Something interesting happens when you are keto-adapted which prevents you from going hypo.  Check this out for yourself, there are others who fast or are keto and regularly have what would be considered extremely low blood sugar without any issues.  Ask your endo or doctor if you like but chances are, like mine, they will tell you you will still go hypo and not have the symptoms.  To which I said I have a 150IQ, so please stop talking down to me and insulting my intelligence.  I like him ok, but at the end of the day even most endo's know very little about diet and nutrition and are just drug company sales people.
I had been in the hospital for a week and was told in about another week I would be able to go home.  They were happy with my progress, like they had something to do with the success.  I told them I had been out walking and that was lowering my blood sugar.  To which they said that is dangerous and I was only allowed to walk in the hospital?  Then they found my food stash.  They said if I was well enough to get my own food I could go home tmrw.  It was like they were offended I would not eat the carbage they were trying to serve me.  The exit from the hospital was strange as the dietitian, doctor and endocrinologist all said what I was doing was wrong and Bernstein was a quack....really?  So, I was probably better off they were kicking me out.          
My endo, when I got a local one, said I was for sure type one, which I still think I may or may not be.  After seeing him for a year I had gained 40-50lbs.  When I asked why this was happening and what to do about it he said "eat less" and walked out of the room.  After starting at 420lbs when I was 20 and losing 200lbs, over the last 20 years, I had no intention of going back.  Thank god for the internet and particularly Youtube.  Within a short time, I had a far better understanding of diabetes and what was going on with blood sugar and insulin.
I switched from Atkins/LCHF to Keto/IF and switched to real food; all organic above-ground-low-carb vegetables, pasture feed animals and non-soy chicken and eggs.  Oh, the organic fixed my congestion and bloating when eating, an issue I had seen doctors and specialists in three different provinces over 15 years without any help.  In the last year, despite having to take insulin (long 28 units/day - no rapid now), I have been able to drop back down to 220lbs.
But here is my issue and question.  I am always testing high on urine keto tests.  Yes, I realize this is not accurate as far as an exact number, but it is always dark red.  When I can afford it, I am going to purchase a meter, the strips are really pricey here in Canada.  Over the last six months though I have been sitting at 220lb.
Lately though I have had minor frontal cortex headaches, which I could get to go away if I ate a high salt meal, but it would return before I wanted to eat again.  Next, I would have stomach gases, again relieved by eating.  And what may be considered frequent urination, but I drink three plus liters of water a day which is what I thought was the cause.
Owning my own business, I have been able to, spend 8 hours or so a day, reading books, watching videos, over the last year and remembered something about pH balance.  So I bought a kit with supplements and test strips.  After testing I was like 5.9, which is too much acid.  I had not thought I was in mild ketoacidosis because most of the symptoms were minor and I had no heartburn, muscle pain or brain fog.
As it turns out after just two days of testing and supplementing my symptoms are gone.  I would suggest if you are starting keto or experiencing any symptoms a test kit might be worth the small investment.  I know this was very long, but context matters.  Since I am keto and use intermittent fasting it is difficult to eat enough vegetables to avoid a low pH.  I want to try some longer fasts; I have done up to three days at this point, but had to stop as the symptoms got worse.
If I do a longer fast and have a low pH, will taking the suppliments mess up the HGH and stem cell production at the end of the fast?  
Second, should I be concerned with blood sugar levels during my fast?
During my last fast my blood sugar was running between 3.9(70)-10(180), but I had to take 6-8 units of rapid per day to keep it under 10(180)-normally I am 5(90)-8(145) with no rapid while eating keto/if.  Increases in blood sugar and/or insulin is not good for anyone and I do my best to avoid either one.
Thanks in advance for reading all this and any help you can be with some guidance with implementing a longer fast without the blood sugar swings would be appreciated......have a great day.                          

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What province are you in? I used to love in BC and at one time in the Yukon, and never had an issue with the health care system...fast forward a few years and I now live in the U.S. where it would cost me $1500/month to insure my family with insurance that actually covered anything. If I was poor I would get free health care through Medicaid, but my husband makes too much for that, but not enough to afford that outrageous amount to cover us and our three children. Then, since we can't afford to buy that insurance, we are fined about $2000. Great system huh? So unless I went to the ER with emergent issues, I can't go to the doctor unless I have hundreds of dollars to spend on that one visit. If I DO go to the ER, I would get a bill for thousands of dollars after the fact. So don't knock the Canadian health care system, at least you don't have to take out a loan to pay for it. There are crappy doctors everywhere. And the food you're served in the hospitals here is no better. When I had insurance years ago (which cost me $310/month just for MYSELF) I had a surgery. I was still charged $500 for my hospital stay, and a bill of over $2000 for my tests and labs. The system here is beyond messed up. I'd take Canadian health care over this B.S. any day.

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Thanks for this website very informative, I get foot aches, and my sticks are dark purple everyday so far. My foot issue  I think it is like Gout, where I can't walk on my foot when I do low carb. Why?
'I wanted to respond to Kyah, I wanted to say people voted in a healthcare system that would fine you if you did not pay, and then if continue to fall behind then the big I would put a lien on your property, and all assets . Then you're toast. The new pres did not like that idea so he got rid of the fines, and stopped the big I from taking your stuff. There is website that compares cost of procedures, in cities cost is more so call around and get the costs in smaller towns or rural areas. My ER visit with the best insurance is 250. America's doctors are considered the some of the top in the world. That is capitalism the motivator, this  system has brought the greatest marvels inventions to life and into the world.
I

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Totally innacurate. First of all, if the poster had the same resources as in the US, he would have had a regular yeraly physical which includes blood glucose testing. NOW the Canadians are "guessing" that he "may have had type 1"???
OH he had Type 1 all his life but no symptoms?
Completely ridiculous. That's just for starters and he had a SERIES of poor doctors, then. Starting with the one who bombed his body with sugar. Facepalm. No competent allergist would make the guy go to a low fat high sugar diet as "elimination". He was already ON a very strict "elimination" diet according to his post. He COULD have eliminated ONE FOOD AT A TIME - like chicken - or soy - but replace with fish...if they didn't want to do scratch tests and go that way.
What a mess.

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Just FYI, type I is when you are born with diabetes and type II is when you develop it later in life...so no different except when you find out when you developed it.

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Mark, a person generally isn't born with Type I diabetes. They develop it. It's caused by the body attacking the pancreas and destroying it's ability to produce insulin. It can happen at any time in a persons life, though most cases occur before the age of 20.  Type I can still start when a person is an adult.

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That's certainly not true. Type 1 Diabetes is where the body cannot produce insulin. Type 2 Diabetes is where the insulin receptors have become overly-sensitized. Please don't spread false health information.
-Molecular Biologist

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Sorry Mark but you're completely wrong. Type 1 is an autoimmune disease that can happen at any age.  The pancreas stops making insulin which is why you need to take insulin. Type 2 is insulin resistance.  Stop talking about things you know nothing about.

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Not true. You can be born with T1 or develop it over years: Ketogenic Diet and Type 1 Diabetes

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Chris,
You can get a prescription for the blood glucose/ketone meter. The Abbott Neo does that, and you get it for free from the pharmacy (at least in Ontario) with 100 strips (glucose or ketone).
I’m not diabetic but I’ve been getting the keto rash, I went to a walk-in clinic twice for it and the second time I asked the doc for a prescription for the ketone strips, to keep an eye on my ketones, which might help me control the rash. Anyway, he gave me a prescription for 100 ketone strips, with a refill, and I got the meter for free.
Ask your family doctor for it - if they say no, go to a walk-in clinic and ask there. Ask them for 100, which gets you the free meter.
Good luck!

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