199 Foods to Avoid On The Ketogenic Diet: Avoid These Fat-Storing Foods

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There are 108 ketogenic diet foods to avoid that will slow down (or shut down) your body’s fat burning capability.

The list of foods to avoid is extremely important on the ketogenic diet.

Remember that carbs must be kept very low to remain in ketosis. Most people need to stay within 20-30 grams of net carbs per day, and protein shouldn’t make up more than 20-25% of total calories.

Keto Macros

Too many carby foods can very quickly bring you out of ketosis and slow down your body’s fat burning capabilities.

This is why the foods below should be avoided on a ketogenic diet.

Not to worry, though. We’ve made it easy for you with this cheat sheet covering the biggest keto foods to avoid and why.

We chunked it down by macronutrient…

Want a quick and easy meal plan that doesn’t include any of these keto-unfriendly foods? 

Carbs to Avoid on a Ketogenic Diet

GRAINS

All grains—and foods made from grains (yup, even whole grains)—should be avoided.

Grains contain too many carbs and will interfere with ketosis, slowing weight loss. That includes*:

BEANS

ketogenic diet foods to avoid

AND LEGUMES

Beans provide nutrition for those on a regular diet, but they’re not fit for the ketogenic diet due to their high starch (carb) content. Avoid legumes including*:

ketogenic diet foods to avoid

MOST FRUITS

Fruit is healthy, right?

Sure, but that doesn’t mean they’re keto-compliant. Fruit is high in sugar and carbs, so is usually a no-go on the keto diet. That includes tropical fruits, fruit juices, dried fruits, and fruit smoothies (for the most part).

If you do have fruit, choose lower-sugar options like blueberries, blackberries, and raspberries, and eat them sparingly.

ketogenic diet foods to avoid

STARCHY VEGETABLES

Avoid any vegetables that grow beneath the ground and focus on more on the leafy greens.

The high starch content of some vegetables (like those in the list below) is problematic because—like with beans—high-starch means high-carb*.

ketogenic diet foods to avoid

SUGARS

Sugar has 56 different names on nutritional labels.  There are hidden sugars everywhere.

While there might certainly be better options for overall health, sugar is sugar, and it’ll still kick you out of ketosis. Sugars to avoid*:

ketogenic diet foods to avoid

CARBS AND EXERCISE

Active people might wonder if they need more carbs after a workout. The truth is the importance of carbs for exercise is often way overblown.

For competitive athletes and those looking to build a large amount of muscle, such as bodybuilders, there might be a need for a slight carb-up. In this case, a targeted ketogenic diet might be appropriate, where carb intake is increased slightly around workouts.

Otherwise, the average active person on a ketogenic diet shouldn’t have a huge need for extra carb intake. The most important factor with muscle building is an increase in overall calories, not carbs. On a ketogenic diet, that translates to more fat.

Protein Foods to Avoid on a Ketogenic Diet

What? Avoid protein? Surprising, but yes (sometimes).

You can eat abundant protein on keto, but low quality proteins should always be avoided.

MILK AND LOW-FAT DAIRY

Full-fat dairy products like yogurt, butter, heavy cream, and sour cream are okay on the ketogenic diet, but avoid all other milk and low- and reduced-fat dairy products.

Not only is it too high in carb content, but pasteurized milk is hard to digest for most people, is lacking in beneficial bacteria, and usually contains harmful hormones. Raw milk is okay in small amounts (start with no more than a serving per day), just don’t forget to account for the carbs.

Dairy products to avoid:

ketogenic diet foods to avoid

FACTORY FARMED ANIMAL PRODUCTS

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Choose organic, grass-fed animal products.

Perfect Keto’s founder Dr. Anthony Gustin has a tremendous series on why source matters and guides on how to buy good food.

  • Avoid grain-fed meats and dairy, as they are lower in nutrients.
  • Stay away from factory-farmed fish and pork products, which are high in omega-6s (that are inflammatory in too-large amounts). Plus, factory-farmed fish is usually high in mercury.
  • Avoid processed meat like hot dogs and packaged sausages, since they usually contain nitrates that are harmful and possibly even cancerous.

Dr. Anthony Gustin (@dranthonygustin) also buys a lot of local meat whenever he can, like this full lamb pictured below which came out to less than $3/lb when buying in bulk!

Fat Foods to Avoid on a Ketogenic Diet

UNHEALTHY (INFLAMMATORY) OILS

Unprocessed and nutritious oils, such as coconut oil, virgin olive oil, and macadamia nut oils are great sources of saturated and unsaturated fat. Avoid harmful processed vegetable oils like:

ketogenic diet foods to avoid

Drinks to Avoid on a Ketogenic Diet

It’s better to avoid drinking your calories on any diet, and stick to water. The keto diet is especially sensitive to dehydration and therefore electrolyte imbalances, so be aware of beverages aside from H20 and smoothies.

ALCOHOL

Very few people are immediately willing to sacrifice alcohol. Alcohol can easily slow down fat loss in ketosis. Plus, many alcohol drinks do have carbs to watch out for, such as:

ketogenic diet foods to avoid

If you are drinking, reach for hard liquor first (is that the first time you’ve ever heard that suggestion?) Even though it’s also made from carb sources, those sugars are converted to ethyl alcohol during the distillation and fermentation process.

Alcohol is ethanol, which is readily broken down into sugar. Make no mistake, though:  from your cells’ perspective, drinking a glass of wine is like sipping soda.

SWEETENED AND SUGARY BEVERAGES

It’s best to stay clear of most caloric and sweetened drinks, as they are often full of carbs. That includes:

ketogenic diet foods to avoid

Other Red Flags to Avoid on a Ketogenic Diet

PROCESSED/PACKAGED FOODS

Not only are the oils mentioned above found in unhealthy processed products, but  manufacturers stuff packaged products with extra sugar, trans fats, preservatives, and other junk. Avoid packaged and processed foods like:

ketogenic diet foods to avoid

And beware of packaged foods that label themselves as “low-carb” or “zero-carb” (like diet drinks, sugar free gums or candy, and Atkins products). They might be low in carb content per serving, a serving size is likely very small and not satiating, and they may have added gluten or artificial additives or flavors.

Focus instead of whole food ketogenic foods.

ARTIFICIAL SWEETENERS

Approach artificial sweetener with caution. People react to them differently, but they can sometimes affect blood sugar levels or cause issues like cravings. Some people even find artificial sweeteners disrupt their ketosis. Artificial sweeteners to avoid/be wary of:

ketogenic diet foods to avoid

CONDIMENTS

It’s best to make condiments yourself so you know what’s in them, or use pure herbs and spices. If that’s not an option, avoid condiments that are:

ketogenic diet foods to avoid

Want a quick and easy meal plan that doesn’t include any of these keto-unfriendly foods? We’ve created one for you. Click here to get the FREE downloadable meal plan now.

Do You Get a Cheat Day on the Keto Diet?

Cheat days (or even cheat meals) are not recommended on the ketogenic diet.

They can easily kick you out of ketosis and reverse any progress, so try your best to avoid these foods consistently to remain in ketosis.

Some foods we’ve mentioned are okay “in small amounts.” We can’t give an exact amount because that will vary per person.

Get familiar with how many carbs are in a serving of these foods, then consider how they fit within your calculated daily macros.

Over time, you’ll get used to knowing which foods you can eat a little of and which ones need to be avoided completely.

Bottom line: whether your goal with the ketogenic diet is weight loss or improving a disease, the stricter you are in avoiding these foods, the better chance there is of seeing quick results.

Avoid These 199 Foods to Remain in Ketosis & Burn Fat

Ketosis is a measurable state of metabolism, not just an idea or methodology, so foods can’t definitively be labeled “keto” or “not-keto”.

The only way to know is to eat foods that you think will put you in ketosis and then test your ketone levels. Anything less is guessing, which is literally like showing up to the basketball court and taking a three-point shot, and then closing your eyes and trying to tell if it went in.

 

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