How To Work Out Your Own Carb Limit For Ketosis

How to work out your own carb limit for ketosis

If you learn how to work out your own carb limit for ketosis, you may well find that you can allow yourself a lot more than the often stated requirement of 20g net carbs or less each day.

The keto diet has an amazing ability to help you reach your weight loss and health goals.

In common with all eating plans, it does come with some do’s and don’ts.

This diet requires that your daily food intake comes from 70%  fat, 25%  protein and just 5% from carbohydrates, but for some, this is needlessly low.

The 5% carb limit normally works out at 20g net carbs each day. At this level almost everyone will be able to reach ketosis.

However, there is no magic number of carbs below which you will trigger ketosis.

Your own carb limit for ketosis  may be a lot more generous.

There are plenty of people who find that 20g net is enough carbs, and they are comfortable staying under this amount.

However, some people find this restrictive and would like to increase their daily carb allowance while still staying in ketosis.

What’s wrong with 20g net carbs each day?

How to work out your own carb limit for ketosis

There’s nothing wrong with this amount, although it has to be said that it’s an arbitrary amount.

By setting the limit at 20g net for each day, you are guaranteed to reach ketosis.

With careful planning and tracking of your food, you will be able to reach all your macros and take care of your micro nutrient needs too.

You’ll need to make sure that every mouthful on carbs that you eat is nutritionally dense.

Wasting your carb allowance on keto friendly cakes or cookies won’t hurt from time to time.

However, if you are doing this regularly you may find that you have no carbs left to use for the consumption of healthy foods.

These are the foods that will provide all the minerals and vitamins that you need.

For more information about making sure that you’re choosing the right sort of carbs read How many carbs can you have on a keto diet (making sure you’re eating the right ones)

What happens if you go over the 20g net carb per day allowance?

How to work out your own carb limit for ketosis

For some, eating more than 20g net carbs a day is going to prevent them from going into ketosis, or knock them out of ketosis if they’re already in that state.

This means that you will no longer be burning fat for fuel and will revert back to using glucose for your daily energy needs.

This will not only stall your weight loss, it will also prevent you benefiting from all the amazing health benefits of the keto diet.

For this reason, keto dieters are encouraged to carefully monitor their carb intake. Taking a guess can very often cause you to go over this limit.

Is there some wriggle room with the 20g net carb limit?

How to work out your own carb limit for ketosis

The good news for many people is that very often you will find that your own individual carb limit is higher than the suggested 20g limit.

If you are very keto adapted and can switch to burning fat easily, you will be able to increase your daily carb allowance and still stay in ketosis.

This limit was set as a general limit for most people.

You may be able to eat a lot more than 20g without missing out on all the health benefits of ketosis.

Are certain people more likely to be able to eat extra carbs?

How to work out your own carb limit for ketosis

There are certain people who seem more tolerant of carbs than others.

People who have been on the keto diet for a long time and are well adapted to burning fat for fuel can very often eat more carbs and still stay in ketosis.

Generally, these are people who have been on a strict keto diet for between 3 -6 months.

Your individual carb allowance will also depend on your body type, weight and exercise levels.

On top of that, each person’s carb tolerance will vary from day to day, depending on activity level and stress levels.

The influence of genes

How to work out your own carb limit for ketosis

There is a lot of evidence that some people are much more able to deal with carbs than others for no other reason than they are fortunate to have the right genes.

As an example, the Inuit people ate a naturally low carb diet. They more or less lived on fish and meat, and rarely did a carbohydrate get consumed.

Despite this, they seldom experienced ketosis due to the fact that they have a gene variant that gets in the way of producing ketones.

They still burn fat, and are completely fat burning adapted.

Exercise

How to work out your own carb limit for ketosis

During exercise your muscles use glycogen, with more glycogen being used the more intense that exercise is.

HIIT training is especially good at burning through your glycogen stores.

There is evidence that after a work out, you will be able to consume extra carbs and stay in ketosis. This is due to the fact that the carbs will work towards replenishing the glucose in your muscles.

This means that you’ll be able to enjoy some extra carbs with your post work out meal while staying in ketosis.

It isn’t possible to measure exactly how much glycogen each work out will have used, so finding out how much you can up your carbs is going to be a trial and error plan, unless you track your level of ketosis.

What reduces your carb tolerance?

How to work out your own carb limit for ketosis

One of the most important influences on your body’s ability to process carbs is stress.

When the body is stressed it produces the hormone Cortisol. This is important for everyone but especially keto dieters.

Cortisol is able to raise blood/glucose levels and make you more glucose insensitive.

These factors combine to give you more available glucose than normal and will inhibit or stop ketosis from happening.

Any form of stress can cause the production of too much cortisol.

Stress from worry, work and social events will all cause a raise in cortisol.

What is less known is that a few of the “healthy” activities can also cause cortisol levels to get too high.

Too much exercise, and pushing yourself too hard at work or with your goals can also have this effect.

As with most things in life, more is not necessarily better. Moderation is often the way to go.

Aim to feel as relaxed as much as possible. If this is difficult for you consider yoga, meditation or simply going for a walk.

In a calm and steady state it is possible that you will be able to tolerate more carbs and stay within ketosis.

What can be done to increase carb tolerance and stay in ketosis?

How to work out your own carb limit for ketosis

There are several things that you can do to maximize the amount of carbs that you can enjoy each day while still benefiting from ketosis.

  • Exercise, especially HIIT, but don’t overdo this. Twice/three times a week is enough.
  • Low intensity exercise such as going for a walk. This type of exercise is also important for enhancing fat burning as well as reducing your stress levels.
  • Make sure that you’re getting adequate sleep. If you need more information about this read Natural sleep aids that work (and are backed by science)
  • Stay with the keto diet at a low level of carbs for between 3 -6 months to get fully adapted to burning fat.

How to know that you’re still in ketosis when adjusting daily carb intake

As long as you are eating no more than 20g net carbs you can guarantee that you will be in ketosis within the first 3-5 days of starting the keto diet.

However, once you decide that you’d like to know your personal carb limit, you will be much less able to be sure that you’re in ketosis.

Some experienced keto dieters can “feel” when they are in ketosis or not. Obviously, this is not the most reliable method and most of us would need to track our level of ketosis when attempting to add more carbs.

There are several ways of doing this, with varying levels of accuracy and cost.

How to work out your own carb limit for ketosis

Testing your urine using small strips is the most inexpensive method, and may be an option if you want to test your ketone levels several times a day.

However, they are the least accurate. As you become more keto adapted, your levels of ketones in your urine decreases, due to the fact that you are now able to use the ketones more efficiently.

This makes urine strips less able to reveal how well into ketosis you are. A less adapted person will have more ketones simply because they are not yet able to use them well.

Breath meters are more accurate, and once you’ve established your carb limit, these will be able to give you a reasonably accurate indication of how far into ketosis you are.

They are in the middle range of affordability.

Without a doubt, if it is within your budget, a blood/ketone meter will be your most accurate way of knowing if you’re in ketosis.

These machines will often measure glucose levels too.

This will help you discover your own reaction to different types of carbs.

By testing after a meal that contains more carbs than usual, you will be able to quickly see if you are able to tolerate the new carb level and still stay in ketosis.

There are many meters on the market, but there is a newcomer which is one of the best.

It’s entered the market at a great price point, making frequent testing much more affordable.

For more information read here.

The keto diet is a low carb diet, and it is the low level of carbohydrates that will ensure that you enter ketosis.

This will bring you all the amazing weight loss and health benefits of this diet.

However, the good news is that you probably won’t always have to stay at the ultra low level of below 20g net of carbs each day.

Once you have been on the keto diet for a while (we recommend at least three months) you will be able to begin experimenting with your carb allowance.

By adding just a few extra carbs to your meals each day, and testing your ketone levels, you will soon be able to see just how high you can push your carbs without triggering an end to ketosis.

You can help to increase you carb tolerance by making sure that you are getting enough sleep, exercising and keeping your stress levels as low as possible.

This is not a quick process, but with some planning and determination you may well find that your own carb level will be a lot higher than 20g net.

This will make the keto diet both easier and more flexible, and you’ll be able to increase your intake of certain vegetables and fruits too.

By knowing your personal carb limit, you will be able to stay with the keto diet for it’s health benefits, even after you have reached all your weight loss goals.

These articles may also interest you:

How many carbs can you have on a keto diet (making sure you’re eating the right ones?

Quick Keto Snacks

Natural sleep aids that work (and are backed by science)

keto mojo meter – best keto blood meter

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