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 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.

What fruits can you not eat on paleo? ›

Of course, any and all fruits are welcome on the paleo diet including apples, oranges, pears, strawberries, blueberries, raspberries, and more. And don't forget tubers such as potatoes, sweet potatoes, turnips, yams, and so on.

What are red flags of the paleo diet? ›

Over time, people following the diet could see increases in cholesterol, particularly the less healthy cholesterol. This could increase the risk of heart disease. Not getting enough calcium increases the risk of osteoporosis, rickets, and bone fractures.

Can you eat eggs on paleo? ›

A paleo diet is an eating plan based on foods humans might have eaten during the Paleolithic Era. The Paleolithic Era dates from around 2.5 million to 10,000 years ago. A modern paleo diet includes fruits, vegetables, lean meats, fish, eggs, nuts and seeds.

Are bananas OK for paleo? ›

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 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 can you drink on paleo? ›

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 eat cheese on paleo? ›

A Paleo-diet purist will tell you no, all cheese should be avoided on a Paleo lifestyle. Paleolithic humans didn't milk cows or process dairy. This is one case in which keto diet rules are much more lax than paleo.

What carbs can you eat on paleo? ›

Paleo, High-Carb Foods
  • Sweet potatoes and yams.
  • Plantains.
  • Taro root.
  • Winter squashes, like butternut squash or acorn squash.
  • Tropical fruits, like mangoes, pineapples, bananas, and dates.

Is coffee paleo? ›

The Paleo diet focuses on eating nutrient dense, naturally occurring, anti-inflammatory foods that promote overall wellness and sustained levels of energy. From this perspective, coffee is technically not Paleo, but falls into one of the many grey areas of the modern Paleo diet.

Is oatmeal paleo? ›

For those following a Paleo diet, they will typically avoid eating grains (wheat, oats, and barley), legumes (beans, lentils, peanuts, and peas), dairy, refined sugar, salt, potatoes, and processed foods.

Can you eat rice on paleo? ›

Strict paleo dieters exclude all grains from their diets — including rice — primarily due to their high phytate content. Although it's technically prohibited, many people still consume small amounts of white rice while following a paleo diet because it's lower in phytates, compared with other types.

Is bacon OK for paleo? ›

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.

What fruit can you eat on paleo? ›

Here are some of the fruits you can eat on the paleo diet:
  • Apples.
  • Citrus.
  • Berries, including blueberries, strawberries, raspberries, and blackberries.
  • Banana.
  • Kiwi.
  • Grapes.
  • Peaches.
  • All melons, including watermelon, cantaloupe, and honeydew.

What vegetables are not allowed on the paleo diet? ›

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.

Can I eat as much fruit as I want on paleo? ›

Fruit is an important part of the Paleo diet as it offers a broad range of vitamins, minerals, antioxidants and fiber, However, do not make the mistake of eating ten pieces of fruit per day and little to no veggies.

What foods are forbidden on the paleo diet? ›

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.

Are grapes OK on paleo? ›

Red Grapes are paleo. However, fruit consumption on a paleo diet should be limited.

Is watermelon allowed on the paleo diet? ›

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.

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