8 Reasons You're Not Losing Weight on Keto (2024)

The ketogenic, or keto, diet is a low carb way of eating that has been adopted by many looking to lose weight and improve health. However, to reap the benefits of the keto diet, it must be implemented correctly.

When following a keto diet, carbs are typically reduced to 20 to 50 grams per day. This has been shown to lead to weight loss and may improve heart health and blood sugar control (1, 2).

Here are 8 things that may sabotage your weight loss efforts on a keto diet.

1. You’re eating too many carbs

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One of the main reasons people don’t lose weight on the ketogenic diet is that they’re consuming too many carbs.

To reach the state of ketosis — a metabolic state in which your body burns fat for energy instead of glucose — carbohydrate intake must be drastically reduced.

In fact, only around 5% of your total calories should come from carbs (3).

This is in stark contrast to the standard dietary recommendation that 45–65% of calories come from carbs (4).

It’s normal to have a bit of difficulty cutting out carbs when first adjusting to the ketogenic diet.

However, to reach and maintain ketosis, carbs must be decreased to the recommended range.

To help reach your intake goals, consider tracking your macronutrients through an app like MyFitnessPal.

This can help you learn how many servings of carbs you’re allowed to have in a day depending on your calorie needs.

Summary

To lose weight on a ketogenic diet, carbs must be decreased to reach the state of ketosis and induce fat burning.

No matter what dietary plan follow, the key to healthy weight loss is to consume nutritious, whole foods.

Relying on processed foods can put a dent in your weight loss even if they’re keto-friendly.

Adding in foods like snack bars, keto desserts and other packaged foods between meals can derail your weight loss efforts with the extra calories they provide.

Additionally, eating too many convenience-type foods like hot dogs and fast food when you’re on the run can slow weight loss.

These foods are nutrient-poor, meaning they’re high in calories but low in vitamins, minerals and antioxidants.

To optimize your nutrient intake while losing weight on the keto diet, stick to unprocessed, whole foods.

For example, full-fat dairy products, eggs, fish, pastured meats, poultry and healthy fats like avocado and olive oil are all great choices.

Be sure to add non-starchy vegetables like greens, broccoli, peppers and mushrooms to dishes to add nutrients and fiber.

Summary

To optimize weight loss when following a ketogenic diet, avoid consuming too many processed foods and instead focus on meals and snacks that contain fresh, whole ingredients.

When trying to lose weight, it’s critical to create a calorie deficit.

This can be achieved by either reducing the number of calories that you consume or by expending more calories through increased physical activity.

If you switch to a keto diet and don’t watch your calorie intake, you’re unlikely to drop pounds.

Because many keto-friendly foods, including avocados, olive oil, full-fat dairy and nuts, are high in calories, it’s important not to overdo it.

Most people feel more satisfied after eating ketogenic meals and snacks due to the filling effects of fat and protein.

However, it’s entirely possible to consume too many calories on a ketogenic diet by eating portions that are too large or by snacking on high-calorie foods throughout the day.

Paying attention to portion size, increasing physical activity and snacking in moderation between meals can help create the calorie deficit needed to lose weight.

Summary

When following any diet, it’s important to create a calorie deficit to promote weight loss. Curbing portion sizes, limiting snacks between meals and being more active can help you drop excess pounds.

The ketogenic diet is an effective weight loss tool.

However, if you’re having a difficult time losing weight even though you’re doing everything right, it’s a good idea to rule out any medical issues that may be preventing weight loss success.

Hypothyroidism, polycystic ovarian syndrome (PCOS), Cushing’s syndrome, depression and hyperinsulinemia (high insulin levels) are medical issues that can cause weight gain and make it difficult to lose weight (5, 6, 7, 8).

These conditions can be ruled out by your doctor through a series of tests.

If you have one of the conditions listed above, don’t despair.

Through proper management, including medication if necessary and lifestyle and dietary modifications, you can achieve and maintain healthy weight loss.

Summary

Certain medical conditions, such as hypothyroidism and depression, can make it hard to lose weight. Consult your doctor to rule out an underlying medical issue if you’re having a particularly hard time dropping the pounds.

It’s normal to want fast results when following a new diet plan, but it’s important to remember that weight loss can vary from person to person.

Although the ketogenic diet can promote weight loss if properly followed, the rate at which you lose may not be rapid — and that’s okay.

Small, consistent change is the key to losing and maintaining weight the healthy way.

While it may be tempting to aim for lofty weight loss goals, most experts recommend that losing 1–3 pounds or about 0.5–1 kg per week (depending on weight) is best (9).

Not to mention, if you adopt a new workout routine that involves weight lifting, you may gain muscle while losing fat.

Though this can lead to slower weight loss, putting on muscle mass and decreasing fat mass benefits health in many ways. It can reduce your risk of heart disease and improve bone health (10, 11).

Instead of relying solely on the scale, take weekly measurements of your arms, thighs and midsection to track your progress.

Summary

A healthy weight loss of 1–3 pounds or about 0.5–1 kg per week can help you stay on track and maintain weight loss over time.

Snacking on healthy food can be an effective way to prevent hunger between meals and overeating.

Yet, consuming too many high-calorie ketogenic snacks like nuts, nut butter, fat bombs, cheese and jerky may cause your weight loss to plateau.

Though these snacks are healthy in moderation, it’s best to choose lower-calorie options if you’re having more than one snack session per day.

Foods like non-starchy vegetables or proteins can keep you feeling full without the calories.

Flavorful snacks like celery sticks and cherry tomatoes dipped in guacamole or a hard-boiled egg with some cut up veggies are smart choices for those following ketogenic diets.

Plus, adding extra non-starchy vegetables to your diet adds a dose of fiber that can help keep your digestive system regular, which can be especially helpful for those first transitioning to a keto diet.

Summary

Choose keto-friendly, lower-calorie foods for satisfying snacks that won’t cause you to pack on pounds.

Research shows that stress, especially chronic stress, and lack of sleep can negatively impact weight loss (12).

When your body is stressed, it produces excess amounts of a hormone called cortisol.

Elevated levels of cortisol, commonly known as the stress hormone, can encourage your body to store fat, especially in the belly area (13).

Additionally, those who are chronically stressed are often sleep deprived, which has also been linked to weight gain.

Studies suggest that a lack of sleep negatively impacts hunger-regulating hormones, such as leptin and ghrelin, causing increased appetite (14).

You can lower stress and improve sleep by trying techniques like meditation or yoga and spending less time on electronic devices (15).

Summary

Stress and lack of sleep can negatively impact weight loss. Do your best to reduce stress and get enough sleep.

Incorporating more physical activity into your lifestyle is vital when trying to lose weight on a ketogenic diet.

Aside from stimulating fat loss, adopting an exercise routine benefits health in countless ways.

For example, exercise lowers your risk of chronic conditions like heart disease, diabetes, depression, anxiety and obesity (16).

Not only does engaging in physical activity burn calories, but it also helps build muscle, which can give your metabolism a boost by increasing the amount of energy burned at rest (17).

Though starting an exercise routine can be difficult — particularly for those new to working out — there are ways to make it easier.

Creating a workout schedule and sticking to it is the best way to bolster a healthy exercise habit.

Set a goal of three to four days a week and choose a time that’s most convenient for your schedule.

Keep yourself motivated by storing a gym bag in your car for after work or by laying out exercise clothes before bed to keep you on task for early morning workouts.

Summary

Exercise benefits health in many ways and stimulates weight loss. Make exercise a habit by setting aside time for a few workouts a week.

Along with other healthy lifestyle changes, the ketogenic diet can be an effective weight loss tool.

However, there are various reasons why some people may fail to see the results they desire.

Eating too many calories, lack of activity, chronic stress, underlying medical issues and not following the recommended macronutrient ranges can all negatively impact weight loss.

To maximize weight loss on a ketogenic diet, get adequate sleep, reduce stress, be more active and consume whole, nutritious, low-carb foods whenever possible.

8 Reasons You're Not Losing Weight on Keto (2024)

FAQs

Why am I doing everything right on keto but not losing weight? ›

Usually, when a person does not lose weight on the keto diet, it is because they have not achieved ketosis. One reason for not achieving ketosis is not cutting back enough on carbs. According to a 2023 overview of previous research.

Is it possible to be in ketosis and not lose weight? ›

You may be consuming too many calories

This can be achieved by either reducing the number of calories that you consume or by expending more calories through increased physical activity. If you switch to a keto diet and don't watch your calorie intake, you're unlikely to drop pounds.

Can you lose 5 lbs a week on keto? ›

If a person follows the 75% fat /20% carb/5% fat keto diet, average results may look like this: Weeks 1–2: rapid weight reduction phase due to water loss – up to ten pounds. Weeks 2–4: standard weight reduction – between one and two pounds per week. After the first month – slow weight loss – around one pound per week.

Why am I so bloated and not losing weight on keto? ›

Dehydration dries out your whole body, including your GI tract. In turn, you may experience more keto constipation and bloating. To avoid getting dehydrated on a keto diet, make sure you drink enough water. In turn, you'll keep your cells hydrated and healthy, including those cells in your digestive tract.

How to speed up weight loss in ketosis? ›

The following tips will help.
  1. #1: Track Carbs. The #1 rule of Keto is to restrict carbs. ...
  2. #2: Track Calories. Speaking of tracking macros, you'll also want to track calories to ensure sustainable weight loss. ...
  3. #3: Track Ketones. ...
  4. #4: Prioritize Sleep. ...
  5. #5: Manage Stress. ...
  6. #6: Get Enough Protein. ...
  7. #7: Intermittent fasting.

What is keto whoosh? ›

The “whoosh effect” is a term for the noticeable weight loss that some people report while following low carb diets such as a keto diet. Some people believe that the whoosh effect happens when fat cells lose fat and fill with water. Researchers have not scientifically proven the whoosh effect, however.

What happens if you eat no carbs for a week? ›

Severe carb limits can cause your body to break down fat into ketones for energy. This is called ketosis. Ketosis can cause side effects such as bad breath, headache, fatigue and weakness. It's not clear what kind of possible long-term health risks a low-carb diet may pose.

Why is keto not working for me anymore? ›

You're not eating enough protein

Protein is an essential nutrient that helps to build and repair your body's tissues. If you're not getting enough protein on the keto diet, your body may start breaking down muscle tissue for fuel, which can slow down your metabolism and make it harder to lose weight.

Can I eat too much protein on keto? ›

#1: Eating too much protein.

The body can convert the amino acids from excess protein into glucose, potentially sabotaging your weight loss efforts and keeping your body out of ketosis. For a 2,000-calorie diet, this translates to about 75g of protein at about 10-20% protein.

How long to lose 20 pounds on keto? ›

“If the patient can maintain a steady calorie deficit, I expect them to lose one to two pounds per week,” says Dr. Seeman. So after 12 weeks, her clients are usually down around 20-25 pounds.

How much water should I drink on keto? ›

How Much Water Should You Drink on Keto? Rule of thumb states a person should divide their body weight in half and drink that many ounces of water daily. For example, if someone weighs 160 pounds, they'll need to take in 80 ounces of water a day.

How many carbs a day on keto? ›

There is not one “standard” ketogenic diet with a specific ratio of macronutrients (carbohydrates, protein, fat). The ketogenic diet typically reduces total carbohydrate intake to less than 50 grams a day—less than the amount found in a medium plain bagel—and can be as low as 20 grams a day.

Why is my stomach so big on keto? ›

"The keto diet is a pretty major shift in most people's intake, which can lead to some die-off of gut bacteria which can cause more gas, bloating, and changes in bowel movements," said Jason Way, ND. This may not be fun but it's pretty common and usually passes in a few days at most, he said.

Will my belly fat go away with keto? ›

Research has shown that ketosis may have several health benefits. One of the biggest benefits of ketosis may be weight loss. The process can help you feel less hungry, which may lead to eating less food. It can help you lose belly fat (visceral fat) while maintaining a lean mass.

Why is keto not helping me lose weight? ›

If you're in ketosis but not losing weight, it could be that you're eating more than your body can burn. Fat has twice the number of calories per gram that protein or carbs do. It can be tough to stay within your maintenance calories, or even eat at a calorie deficit, if you're eating more than your body needs.

How long does it take to start losing weight on keto? ›

Weight loss from keto varies from person to person. Generally, if you maintain a daily caloric deficit of around 500-700 calories, you can expect noticeable weight loss after anywhere from 10 to 21 days. However, remember that weight loss is not linear and some may see results sooner.

Why am I not losing weight even though I'm in a calorie deficit and working out? ›

It's likely due to factors such as: - Water retention: This can be caused by things like sodium intake, stress, menstruation, and other factors. -Glycogen stores: Glycogen is stored carbohydrate and it binds to water. So when glycogen stores are full, you will hold more water weight.

Why am I losing inches on keto but not weight? ›

Weight loss on a ketogenic diet can sometimes result in losing inches without a corresponding change on the scale. This discrepancy is due to body composition changes, including fat loss and muscle gain.

Why do I lose more weight when I cheat on keto? ›

Research shows that after a cheat meal, the body increases its metabolism, causing you to burn calories faster. This is caused by increased levels of leptin, a hormone secreted by fat cells and responsible for maintaining energy balance in the body.

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