These are the worst foods to digest and the problem is that you eat a lot of them every day

Thursday 14 May 2026 10:00 - Mirella Mendonça
These are the worst foods to digest and the problem is that you eat a lot of them every day

Have you ever noticed how some meals seem to "weigh" a lot more than others, even when you eat very little? That feeling of a full stomach, bloating, gas or even tiredness after eating can have a simple and often overlooked explanation.

The problem isn't always the amount of food, but the difficulty your body has in digesting certain foods.

There are ingredients that require much more effort from the digestive system. They stay longer in the stomach, ferment in the intestines or overload the body. The result comes quickly: discomfort, sluggishness, lack of energy and even difficulty losing weight.

And the most curious thing is that many of these foods considered "heavy" are part of many people's daily lives. Some even seem harmless or healthy, but they can cause unpleasant effects depending on how they are prepared and how much they contain.

Understanding which are the worst foods to digest is an important step towards improving not only digestion, but also your general well-being. Small changes in the choice of what you eat can make a huge difference to how you feel throughout the day.

Now, you'll find out what these foods are and why they might be sabotaging your digestion without you even realizing it.


1. Very fatty cheeses

Cheeses such as cheddar, parmesan and other agedcheeses are high in fat and often difficult to digest.

Why? : Fat slows down the emptying of the stomach and can cause a feeling of heaviness and reflux. People with lactose intolerance suffer even more.

Tip : prefer lighter cheeses, such as ricotta or cottage cheese.

2. Fried foods

French fries, salty snacks and breaded meats are some of the most popular foods for poor digestion.

The problem is the high amount of fat. These foods stay in the stomach longer and can cause gas and bloating.

The more oil, the harder your digestive system has to work.

3. Very spicy food

Too much pepper and strong spices can irritate the stomach.

The consequences include heartburn, burning and abdominal discomfort. If you're already sensitive, the impact is often even greater.

4. Too much red meat

Red meat doesn't have to be avoided, but it can be heavy depending on the quantity.

It is slower to digest, rich in fat and dense protein and requires more effort from the body.

A good strategy is to combine it with fiber, such as salads and vegetables, to facilitate digestion.

5. Ultra-processed products

Stuffed cookies, fast food and processed foods are difficult to digest and poor in nutrients.

They overload the digestive system, can cause inflammation and increase the feeling of bloating.

The more natural the food, the better for your body.

6. Beans and legumes not properly prepared

Although healthy, they can cause gas when not prepared properly.

This is because they contain compounds that ferment in the intestine and produce gas during digestion.

Soaking them before cooking greatly reduces this problem.

7. Soft drinks and carbonated beverages

These drinks aren't exactly difficult to digest, but they do impair the digestive process.

They increase bloating, cause gas and can hinder the digestion of other foods.

Signs that your digestion is not good

Be aware if you feel it often:

  • Bloating
  • Gas
  • Heartburn
  • Drowsiness after eating
  • A feeling of heaviness in your stomach

These signs indicate that something in your diet may not be working properly.

How to improve digestion on a daily basis

Small changes make a big difference:

  • Chew your food well
  • Avoid eating too quickly
  • Reduce fried and ultra-processed foods
  • Drink water throughout the day
  • Include fiber and natural foods


It's not just how much you eat that matters. What you eat makes all the difference to how your body reacts.

Avoiding foods that are harder to digest can improve your energy, reduce bloating and even help you lose weight.

Your body is always giving you signals. You just have to learn to listen.
Mirella MendonçaMirella Mendonça
I am the editorial manager at Petitchef (Portugal and Brazil) and a huge enthusiast of travel and world cuisine, always in search of new flavors and experiences. However, as much as I love exploring the delights of different cultures, my mom's cooking will always be my favorite — with that unique flavor that only she can create.

Comments

Rate this article: