10 Foods You Shouldn't Eat on Paleo Diet (2024)

Modern life has evolved so that we no longer have to walk miles and miles every day or join forces with our community just to survive. Electricity and running water are blessings our ancestors would have loved. No matter how advanced our lives get, our brains and bodies run on primitive technology and instinct.

Tapping into this instinct can be as simple as noticing when food is making us feel tired, something that could have been dangerous during the dawn of mankind. Some of us ignore the signals our bodies give us and run on coffee, nicotine, and processed foods, all to save time while our bodies signal for help.

What Is A Paleo Diet?

You may have heard about the caveman diet and how easy it is to maintain. A paleo diet is a nutritional approach that focuses on eating foods that are similar to what our hunter-gatherer ancestors consumed during the Paleolithic Era - a time period associated with the development of human beings.

Although there are different interpretations of what paleo technically entails, a paleo diet typically includes whole, unprocessed food. These include meat, fish, vegetables, fruits, nuts, and seeds. While excluding dairy, grains, legumes, processed oils, refined sugar, and other food groups that our ancestors would not have had access to.

The idea behind paleo is that by eating like our ancestors - who were lean, healthy, and active - we too can achieve similar health benefits. You can try our paleo-friendly menu to check what foods can be included in your diet.

Why Are These Foods Prohibited on Paleo?

The paleo diet is based on the common belief that by mimicking the eating habits of our hunter-gatherer ancestors, we can improve our health. Of course, there are no medical records from back then, so we don't know what was truly going on with the health of our forefathers and mothers.

There are a few reasons why certain foods are prohibited on paleo. First, many of the foods that are not paleo-friendly are relatively new to the human diet. For example, grains were not introduced into the human diet until the Agricultural Revolution, which occurred about 10,000 years ago.

Similarly, legumes - which include beans, lentils, and peas - were only introduced into the human diet about 5,000 to 7,000 years ago.

The paleo diet also avoids dairy and processed oils because they can be difficult to digest and can contain unhealthy fats.

10 Foods You Shouldn't Eat on Paleo Diet (1)

What Can't You Eat on a Paleo Diet and Why

1. Cereal Grains

Cereal grains that are not paleo-friendly include wheat, barley, oats, rice, and corn. Those are not paleo because they were not introduced into the human diet until the Agricultural Revolution. Cereal grains are difficult to digest and can contain unhealthy fats.

2. Legumes

These are beans, lentils, and peas. Legumes are not paleo because they were only introduced into the human diet about 5,000 to 7,000 years ago. Legumes are difficult to digest and can contain unhealthy fats.

3. Refined Vegetable Oils

Refined vegetable oils are not paleo because they can be difficult to digest and can contain unhealthy fats. Examples of refined vegetable oils are soybean oil, corn oil, and cottonseed oil.

4. Processed Foods

Processed foods are not paleo because they are often high in sugar, salt, and unhealthy fats. Examples of processed foods include cookies, cakes, crackers, and chips.

5. Refined Sugar

Refined sugar is not paleo because it is processed food. Refined sugar can be difficult to digest and can cause blood sugar spikes. Examples of refined sugar are cane sugar, beet sugar, and high-fructose corn syrup.

6. Sweetened Beverages

Sweetened beverages are not paleo because they are often high in sugar. Sweetened beverages can be difficult to digest and can cause blood sugar spikes. Examples of sweetened beverages are soda, energy drinks, and fruit juice.

7. Salt

Salt is not paleo because it is also processed food. Salt can be difficult to digest and can cause blood pressure to rise. Examples of high-sodium food are canned soup, lunch meat, and bacon.

8. Artificial Sweeteners

Artificial sweeteners are not paleo because they are often made with chemicals and can be difficult to digest. Examples of artificial sweeteners are aspartame, sucralose, and saccharin.

9. Trans Fats

Trans fats are not paleo because they are processed foods. Trans fats can be difficult to digest and can cause heart disease. Examples of trans fat are margarine, shortening, and hydrogenated oils.

10. Beer

Beer is not paleo because it is processed food. Beer can be difficult to digest and can cause dehydration.

10 Foods You Shouldn't Eat on Paleo Diet (2)

What Are Some Substitutes for Non-Paleo Foods?

If you're following a paleo diet, there are paleo-friendly substitutes for many non-paleo foods. For example, instead of eating grains, you could eat paleo-friendly seeds such as quinoa, buckwheat, or amaranth.

Similarly, instead of eating legumes, you could eat paleo-friendly vegetables such as green beans or carrots. And instead of dairy, you could eat paleo-friendly alternatives such as almond milk, coconut milk, or cashew milk.

Conclusion

The paleo diet is based on the general premise that humans should eat the same foods that our hunter-gatherer ancestors ate. The diet excludes cereal grains, legumes, dairy, processed oils, refined sugar, alcohol, caffeine, artificial sweeteners, and trans fats. Some paleo-friendly foods include lean meats, fish, fruits, vegetables, nuts, and seeds. There are also some paleo-friendly substitutes that are mentioned in this article.

10 Foods You Shouldn't Eat on Paleo Diet (2024)

FAQs

10 Foods You Shouldn't Eat on Paleo Diet? ›

The paleo diet is based on the general premise that humans should eat the same foods that our hunter-gatherer ancestors ate. The diet excludes cereal grains, legumes, dairy, processed oils, refined sugar, alcohol, caffeine, artificial sweeteners, and trans fats.

What foods are forbidden on the Paleo diet? ›

The paleo diet is based on the general premise that humans should eat the same foods that our hunter-gatherer ancestors ate. The diet excludes cereal grains, legumes, dairy, processed oils, refined sugar, alcohol, caffeine, artificial sweeteners, and trans fats.

What do people on paleo diets avoid? ›

The typical paleo diet focuses on naturally raised meat and fish, as well as vegetables and fruits. It promotes avoiding dairy products and grains. This diet can put you at risk for deficiencies in calcium and vitamin D, which are critical to bone health.

What fruits are not allowed in paleo? ›

Of course, any and all fruits are welcome on the paleo diet including apples, oranges, pears, strawberries, blueberries, raspberries, and more.

Can you eat cheese on paleo? ›

Foods to avoid on the Paleo diet:

Dairy products, such as cheese, milk, and yogurt. Legumes, such as beans, peanuts, and soy. Potatoes (except sweet potatoes)

Are bananas OK on paleo diet? ›

Many paleo followers wonder if bananas are paleo because of their higher sugar content. They are considered paleo. One medium banana has 113 calories, 2 grams of fiber and 26 grams of carbohydrates. Bananas are an unprocessed, whole food with a good source of potassium.

Is peanut butter considered paleo? ›

Peanuts are technically legumes, which are not paleo compliant, and that means peanut butter is off limits for paleo eaters. All other nuts and seeds are fair game, so if nuts and seeds are the only ingredients, snack away!

What to drink on a paleo diet? ›

Sparkling waters, mineral waters and soda water are all paleo-friendly, so long as you check the additives for processed ingredients to ensure the natural flavor really is natural.

Can you have coffee on paleo? ›

Many Paleo Diet followers report that they fair much better with only decaffeinated coffee since the main problems in coffee come from caffeine, the main stimulant in coffee, so decaffeinated coffee should prove to be a wise choice in the long-term.

Why am I not pooping on the paleo diet? ›

Constipation

If a person is following a paleo diet that's very low in carbs and isn't eating enough fiber from produce, nuts, and other paleo-friendly fiber sources, they could experience constipation.

Is watermelon OK on paleo? ›

All fruits are allowed on the paleo diet. Limit high-sugar fruits like bananas, dates, mangoes, pineapple, and watermelon. Eat dried fruits in moderation. Almost every vegetable is permissable.

What seasonings are not paleo? ›

Here's a list of just some of the ingredients that make other seasoning blends not so Paleo friendly:
  • Sugar.
  • Corn syrup solids.
  • Maltodextrin.
  • Rice concentrate.
  • Mono Sodium Glutamate (MSG)
  • Wheat, soy or milk contamination.
May 17, 2020

What foods should I avoid to reduce inflammation? ›

Foods that can be inflammatory: Highly processed foods, like corn chips, fried foods and too much red meat, sugar, wheat, rye and barley in people with gluten allergies of celiac disease.

Is bacon paleo-friendly? ›

Over the past few years, the bacon craze has surged in the Paleo community. While bacon is very tasty; unfortunately, bacon is not Paleo. Bacon is high in added salt, nitrates, and other unhealthy chemicals that are injected into the meat to help preserve it.

Can you eat pizza on paleo diet? ›

Wait, I can eat pizza on the paleo diet?!

Sure can! You just have to make sure you skip a dough with wheat and gluten and dairy (dairy-free mozzarella is surprisingly easy to find these days). But vegetables and pepperoni are totally allowed for topping.

Can I eat oatmeal on the paleo diet? ›

Why are Oats not Paleo-friendly? Although oats are a non-fattening healthy food for a more mainstream diet, oats do contain anti-nutrients that the Paleo diet aims to avoid such as phytic acid, lectins, and avenin. Not only do oats contain a few anti-nutrients, but they are also often contaminated with gluten.

Which of the following foods are not allowed in the paleo diet? ›

Foods to avoid on the paleo diet

Legumes: beans, lentils, and many more. Dairy: most dairy, especially low fat dairy (some versions of paleo do include full-fat dairy like butter and cheese) Some vegetable oils: soybean oil, sunflower oil, cottonseed oil, corn oil, grapeseed oil, safflower oil, and others.

Are potatoes allowed on paleo? ›

Unprocessed potatoes can be included on the paleo diet, while processed forms like potato chips or dehydrated mashed potatoes should not be included.

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