Here we are talking about How Much Water Should I Drink On Keto and why Drinking water on keto is so important.
Staying hydrated is crucial for overall health, and it’s especially important for those on the keto diet.
When you’re cutting back on carbohydrates, your body will start to produce ketones, which are by-products of fat breakdown.
These ketones can cause the body to lose water and electrolytes, which can lead to dehydration.
Plus, when you’re eating more fat, it can slow down digestion and make you feel more sluggish. So, it’s crucial to make sure you’re drinking enough water to keep your body functioning at its best.
In this article, we’re going to talk about why hydration is so important on the ketogenic diet and how you can make sure you’re getting enough water.
We’ll also discuss the role of electrolytes and how you can maintain a balance of them while on the keto diet.
By the end of this article, you’ll have a better understanding of how to stay hydrated and healthy while on the ketogenic diet.
What is Hydration?
Hydration is an essential process that helps to keep our body functioning properly.
The human body is made up of around 60% water, which is why it is crucial that we replenish the water content of our body on a regular basis.
Water plays a vital role in regulating our body temperature, transporting nutrients, and removing waste products.
When we are properly hydrated, our blood flows more easily, and all of our organs and systems are able to function optimally.
However, when we don’t consume enough water, our body can become dehydrated.
This can lead to a number of negative effects on our health, including fatigue, headaches, dry skin, and constipation.
In severe cases, dehydration can even lead to serious health problems such as kidney stones and heat stroke.
It is important to drink water throughout the day to help with the body’s natural detox process and to prevent dehydration.
Overall, hydration is a critical aspect of maintaining good health and well-being.
By making sure that we are consuming enough water and other hydrating fluids, we can help our body function properly and stay healthy.
Why Keto Diet Causes Dehydration?
One of the side effects of the keto diet is that it can make some people more prone to dehydration.
This is because the ketogenic diet can cause changes in the way the body processes fluids.
When you’re on a keto diet, your body goes into a metabolic state called ketosis. In this state, the body burns fat for fuel instead of carbohydrates.
One of the byproducts of this process is ketones, which are excreted through the urine. This can lead to increased urination, which can cause dehydration if not enough water is consumed.
One of the key components of the ketogenic diet is cutting down on carbohydrates and increasing your intake of fats and proteins.
This can lead to a decrease in your intake of sodium, which is an important electrolyte that helps regulate fluid balance in the body.
When you have less sodium in your body, it can cause you to lose more water through urine and lead to dehydration.
You may also lose more potassium and magnesium through urine, which are also important electrolytes for maintaining fluid balance in the body, this can also contribute to dehydration.
It’s important to remember that while the ketogenic diet may lead to a decrease in your sodium intake, it’s still important to consume enough of it to support your body’s fluid balance.
A moderate intake of sodium is necessary for the body, too little of it can lead to dehydration and electrolyte imbalances.
So, make sure you are getting enough sodium, potassium, and magnesium in your diet, either through food or supplements.
Another point is that when you’re on a keto diet, you may eat less fruits and vegetables, which are high in water and other hydrating fluids that can help keep you hydrated.
So, it’s important to pay extra attention to hydration when following a ketogenic diet and make sure to drink enough water and consume other hydrating fluids and foods to stay hydrated.
Also Read: Top 10 Best Keto Salmon Recipes
Side Effects of Dehydration on keto diet
Constipation
Constipation is a common side effect of the ketogenic diet because it can cause a decrease in the amount of water absorbed in the colon.
This can make it difficult for stool to pass through the intestinal tract, leading to constipation.
Additionally, the keto diet typically involves a decrease in dietary fiber intake, which is important for maintaining regular bowel movements.
Low fiber intake can cause stools to become hard and difficult to pass.
But don’t worry, there are a few things you can do to alleviate constipation on the keto diet.
First and foremost, make sure you’re drinking enough water. It sounds simple, but it’s crucial.
You might also want to increase your intake of low-carbohydrate, high-fiber foods, like leafy greens, nuts, and seeds.
Additionally, try to increase your intake of electrolytes, like magnesium, potassium, and calcium as they can help with regular bowel movements.
It’s also a good idea to stay active, and if all else fails, talk to your doctor about trying a gentle laxative.
Fatigue
Feeling tired and sluggish is a common side effect of dehydration, and it can also be a side effect of the keto diet.
When your body is in a state of ketosis, it’s using fat for energy instead of carbohydrates, and this can take some getting used to.
The body may need more time to adjust to this new way of fueling itself, and this can lead to feelings of fatigue.
Additionally, the carbohydrate restriction of the keto diet can also lead to fatigue.
Carbohydrates are the body’s primary source of fuel, and when they are restricted, the body has to find other sources of energy.
This can lead to fatigue as the body adjusts to using fat for energy instead.
To combat fatigue on the ketogenic diet, it is important to make sure you are getting enough sleep and eating enough calories.
Drink enough fluids and pay attention to your electrolytes intake, as the keto diet can cause an increased loss of electrolytes in the urine.
Also note that, in some cases, the fatigue may be caused by nutrient deficiencies.
It’s also recommended to be patient with yourself and give your body enough time to adjust to the new way of fueling itself.
Dizziness
The body loses more fluids when in ketosis, and this can lead to dehydration and dizziness.
Another cause of dizziness on the ketogenic diet is an electrolyte imbalance, particularly a low level of sodium, potassium, and magnesium.
These electrolytes are important for maintaining proper fluid balance and nerve function in the body, and a deficiency can lead to feelings of dizziness.
Additionally, the low carbohydrate intake of the keto diet can cause a drop in blood sugar levels, which can also lead to feelings of dizziness.
To prevent dizziness on the ketogenic diet, it’s important to drink enough fluids and pay attention to your electrolytes intake.
Make sure to eat foods that are high in electrolytes, such as leafy greens, avocados, nuts, and seeds.
Also, you can add a pinch of salt to your meals and drinks, and consider taking an electrolyte supplement under the guidance of a healthcare professional.
Headache
Headaches are a common side effect of dehydration, and they can also be a side effect of the keto diet. The cause of headaches on the keto diet can be attributed to a few different factors.
One common cause of headaches on the ketogenic diet is dehydration. The body loses more fluids when in ketosis, and this can lead to dehydration, which can cause headaches.
Another cause of headaches is an electrolyte imbalance, particularly a low level of sodium, potassium, and magnesium.
Additionally, the low carbohydrate intake of the keto diet can cause a drop in blood sugar levels, which can also lead to headaches.
This is because the body has to find other sources of energy when following a low carb diet, which can lead to headaches.
To prevent headaches on the ketogenic diet, it’s important to drink enough fluids and pay attention to your electrolytes intake.
Make sure to eat foods that are high in electrolytes, such as leafy greens, avocados, nuts, and seeds.
It’s also recommended to eat regularly and not skip meals to prevent blood sugar level fluctuations.
Also, you can add a pinch of salt to your meals and drinks, and consider taking an electrolyte supplement under the guidance of a healthcare professional.
Muscle cramps
When the body is dehydrated, it can lead to an electrolyte imbalance, which can cause muscle cramps.
Another cause of muscle cramps on the ketogenic diet is an electrolyte imbalance, particularly a low level of sodium, potassium, and magnesium.
Additionally, the low carbohydrate intake of the keto diet can also cause muscle cramps, as carbohydrates play a role in muscle function, and when they are restricted, the body may not have enough energy to fuel muscle contractions.
To prevent muscle cramps, it’s important to drink enough fluids and pay attention to your electrolytes intake.
Make sure to eat foods that are high in electrolytes, and add a pinch of salt to your meals and drinks.
You can also take an electrolyte supplement under the guidance of a healthcare professional.
Regular exercise and stretching can also help to prevent muscle cramps.
Gradually increasing your physical activity level and warming up before exercising can also help to prevent muscle cramps.
Benefits Of Staying Hydrated On Keto
Staying hydrated on the ketogenic diet can provide several benefits for your overall health and well-being.
Maintaining Electrolyte Balance: Adequate hydration is essential for maintaining the balance of electrolytes such as sodium, potassium, and magnesium, which are important for proper nerve and muscle function.
Improving Physical Performance: Staying hydrated can help to improve physical performance and endurance by maintaining the proper balance of fluids in the body, which can help to prevent muscle cramps and fatigue.
Aiding in Weight Loss: Drinking water can help to reduce feelings of hunger, which can aid in weight loss by helping to control calorie intake.
Improving Skin Health: Adequate hydration can help to improve the appearance and health of the skin by keeping it hydrated, plump, and elastic.
Enhancing Cognitive Function: Staying hydrated can also improve cognitive function by keeping the brain hydrated, which can help to improve concentration, memory, and overall mental clarity.
Aiding in Kidney and Liver Function: Adequate hydration is also important for the proper functioning of the kidneys and liver, which are responsible for removing toxins from the body.
How Much Water Should You Drink On Keto?

When following a ketogenic diet, it is important to stay well-hydrated to support the kidneys in flushing out excess ketones.
Adequate hydration can also help prevent symptoms of dehydration such as fatigue, headaches, and constipation.
It is generally recommended to drink at least 2 liters or 8 cups of water per day, but the exact amount can vary depending on individual needs.
There are a few ways to determine your individual water requirements based on factors such as age, sex, weight, and activity level. One commonly used method is to use the following formula:
Water intake (in ounces) = Body weight (in pounds) x 0.67
This formula estimates that an individual needs about 0.67 ounces of water per pound of body weight.
For example, a person who weighs 150 pounds would need about 100.5 ounces of water per day (150 x 0.67 = 100.5).
Another way of determining your water intake is to use your daily caloric intake as a reference.
The Institute of Medicine (IOM) recommends that men consume about 3.7 liters (125 ounces) of water per day and women consume about 2.7 liters (91 ounces) of water per day.
It’s also important to note that certain lifestyle factors, such as living in a hot or dry climate, or engaging in intense physical activity, can increase your water requirements.
If you are sweating heavily or urinating less frequently, these are signs that you may need to drink more water.
Ultimately, the most accurate way to determine your water requirements is to pay attention to your body’s signals of thirst and hydration.
If your urine is pale yellow, it’s a sign that you are well-hydrated, but if it’s dark yellow or amber, it’s a sign that you may need to drink more water.
Also, Adding salt to water on a ketogenic diet can be beneficial as it helps to replace electrolytes that are lost through the increased urination that can occur on the diet.
Additionally, it can help to alleviate symptoms of the “keto flu,” which can include fatigue, headaches, and muscle cramps.
Simple Ways To stay hydrated on keto
Here are some ways to stay hydrated on a keto diet.
Drink Water
Drinking water is the most basic and essential way to stay hydrated on a keto diet.
It helps to regulate body temperature, aids in digestion, and aids in nutrient absorption. It also flushes out toxins and waste products from the body, and helps to maintain healthy skin and hair.
Aiming for at least 8 cups of water a day is recommended for overall health and hydration.
Add flavor to your water
Adding flavor to your water can make it more appealing to drink and help you reach your daily hydration goals on a keto diet.
You can add natural flavors such as lemon, lime, mint, cucumber, or berries. This can also provide benefits like added vitamin C and antioxidants.
Additionally, adding flavors can help to mask any metallic taste you may experience while on a ketogenic diet.
However, it is important to avoid sugary or artificially sweetened flavorings, as these can negatively impact your diet.
Eat water-rich foods
Eating water-rich foods is another way to stay hydrated on a ketogenic diet.
These foods are high in water content and can help to keep you full and satiated while also providing hydration.
Some examples of water-rich foods include cucumbers, watermelon, strawberries, tomatoes, and lettuce. Eating these foods can also provide additional benefits such as added vitamins, minerals, and antioxidants.
These foods are also low in calories which can be helpful for weight management. Eating a variety of water-rich foods can also make your diet more interesting and provide a change in taste.
Drink herbal teas
Drinking herbal teas can be a great way to stay hydrated on a ketogenic diet.
Not only do they provide hydration, but they can also provide additional benefits such as added antioxidants and anti-inflammatory properties.
Some examples of herbal teas that can be consumed on a ketogenic diet include green tea, mint tea, chamomile tea, and ginger tea.
These teas can also be helpful in providing a change in taste and a soothing experience.
Herbal teas can be enjoyed hot or cold, and it’s important to avoid adding any sugar or artificial sweeteners which can negatively impact your ketogenic diet.
Drink water before and after meals
Drinking water before and after meals can improve digestion, curb appetite, aid nutrient absorption and flush out toxins.
It can also help to reduce food intake and aid in weight management on a ketogenic diet.
Additionally, it helps to flush out the by-products of fat metabolism such as ketones which can cause ketoacidosis if left unchecked.
Use a water bottle with measurement
Using a water bottle with measurement can be an effective way to stay hydrated on a ketogenic diet.
It provides convenience and a reminder to drink water throughout the day, also tracking water intake becomes easy.
It’s portable and environmentally friendly. It’s important to choose a high-quality, BPA-free water bottle and wash it regularly to avoid any bacterial growth inside.
Keep a water bottle with you
Having a water bottle with you makes it easy to access water and track your daily water intake.
You can fill up your water bottle in the morning and aim to finish it before the end of the day.
Another benefit of keeping a water bottle with you is that it can serve as a reminder to drink water throughout the day.
This can be especially helpful for people who tend to forget to drink enough water.
It is also a good idea to choose a water bottle that is easy to carry, such as a reusable water bottle that is leak-proof and fits comfortably in a purse or backpack.
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Conclusion – How Much Water Should I Drink On Keto?
It is essential to stay well-hydrated when following a keto diet. Adequate hydration can support the kidneys in flushing out excess ketones and prevent symptoms of dehydration.
The recommended daily water intake for ketogenic diet is 2 liters or 8 cups. However, the exact amount of water needed can vary depending on factors such as age, sex, weight, and activity level.
It is recommended to use the formula Body weight (in pounds) x 0.67 to determine your water intake.
Additionally, it is important to note that adding salt to water can help replenish electrolytes and maintain proper balance in the body as well as prevent dehydration and decrease in blood pressure.
It’s important to listen to your body and drink when you’re thirsty and to keep track of your water intake throughout the day.