Tomatoes and Ulcerative Colitis — Can You Eat Tomatoes With Ulcerative Colitis?

Manca Music
8 min readJul 19, 2022

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Ulcerative colitis is a condition that leads to inflammation of the colon, and its symptoms are usually managed with medicine and diet changes. Eating fresh fruit and vegetables can aggravate your colon while in a flare-up, but every person is of course different. So, can you eat tomatoes with ulcerative colitis?

Tomatoes and ulcerative colitis are not a good match. Tomatoes are one of the foods known to increase inflammation, as they are very acidic and that can irritate your intestinal lining. On top of that, the seeds are hard to digest. I do not recommend eating tomatoes, especially if you’re experiencing a flare.

In this article, I will expand on the topic of tomatoes and ulcerative colitis, and I will also discuss, hot tomato products affect your gut. I will also introduce some tomato alternatives — foods you can eat instead and still get the right amount of nutrients in your body.

Can you eat tomatoes with ulcerative colitis?

If you are an ulcerative colitis patient, there is a high chance you’ve heard about the many diets that may help you elevate UC symptoms.

However, keep in mind that different foods and food groups may have a different effect on your digestive tract than on someone else.

There is also the question if you are currently in a flare or not. This means if there is inflammation in your GI tract, which makes your gut even more sensitive to certain foods.

Let’s now answer the question “can you eat tomatoes with ulcerative colitis”.

Tomatoes and ulcerative colitis do not go hand in hand when you are experiencing a flare. This is true for all raw fruits and vegetables.

Lately, many people have been noticing intolerance for the so-called nightshade vegetables. This is a group of vegetables that contain an alkaloid called solanine, which can be irritating.

Along with peppers and eggplants, tomatoes are also a part of this group. These vegetables irritate the immune system and increase inflammation.

Tomatoes are also one of the most acidic foods in the world, which means they can wreak havoc on your digestive system and cause inflammation and irritation. Tomatoes have also been linked to ulcers and acid reflux symptoms.

As ulcers in your GI tract are one of the symptoms of ulcerative colitis, you can see how tomatoes can be damaging to your already inflamed gut.

The seeds in tomatoes contain a toxic protein called lectin that can cause inflammation in the gut if consumed in large amounts. But even in small amounts, the seeds are hard to digest, same as tomato skin!

If you are currently in remission, tomatoes may not irritate you at all! It is all about trial and error, as I said, everyone has different tolerances.

After a flare, slowly introduce tomatoes back into your diet and monitor if any of the symptoms come back. I recommend keeping a food journal, along with your notes on how you are feeling after eating tomatoes.

Tomato sauce and ulcerative colitis

The problem is the acidity of the tomatoes themselves. Tomatoes are naturally acidic and contain a chemical called citric acid that makes them taste sour. If you’ve ever bitten into a raw tomato, you’ll know how acidic they are!

The good news is that you can still enjoy tomatoes if you’re sensitive to their acidity. Just make sure to cook them down to a tomato sauce or eat them with other foods high in fiber and protein to help neutralize their acidity and make them easier to digest.

Tomato sauce and ulcerative colitis can still be friends if the tomatoes are cooked down long enough. Their acidity level goes down significantly.

And if you make tomato sauce by cooking down a whole lot of tomatoes, it can actually be quite mild in taste. Remember to not put any strong spices into it though!

I recommend staying away from store-bought tomato sauce, as it can contain preservatives.

Tomato soup ulcerative colitis

In regards to tomato soup ulcerative colitis symptoms may worsen, but it depends on the person and their food intolerances.

While lycopene has many health benefits for those without ulcerative colitis, it’s important to note that tomatoes can sometimes trigger symptoms such as diarrhea when eaten raw or cooked at high temperatures.

Cooking tomatoes at low temperatures helps reduce the amount of oxalate they contain, which can lead to intestinal problems such as gas, bloating, or even kidney stones in some people who are sensitive to oxalates or others.

It’s important to understand that there are different types of tomato soup that you could eat. Some soups are made with high-fat ingredients like cream and butter, while others are made with low-fat ingredients like skim milk or nonfat dry milk.

If you’re looking for a low-fat option, consider making your own tomato soup at home using canned tomatoes, vegetable broth, and mild spices.

If you’re looking for a higher-fat option, look for tomato soup that contains less than 30% calories from fat (2 grams per serving).

There are also many brands of canned tomato soup sold in stores today that have reduced sodium levels and contain no preservatives or artificial flavors. If possible, choose brands that use fresh tomatoes rather than processed ones.

Check also for added salt and sugar, which can worsen symptoms of this IBD.

Is ketchup safe for your IBD?

We love ketchup, but what about for those with ulcerative colitis? The answer depends on the brand.

Ketchup is one of those foods that many people eat every day with their meals. However, if you eat ketchup ulcerative symptoms could worsen, depending on the ingredients.

As long as you check out the label, you can also eat ketchup with no gut issues at all.

Ketchup is a condiment made from tomatoes, which are processed, and mixed with other ingredients like vinegar, salt, sugar, spices, and herbs. The mixture is then cooked to create a thick consistency.

Some people with ulcerative colitis may experience gas or bloating after eating ketchup. If you have constipation, it’s best not to eat ketchup regularly because it contains sugar that may worsen your symptoms.

If you’re concerned about how much sodium is in ketchup, check the nutrition facts label on the bottle before purchasing it. Some brands of ketchup contain less sodium than others do so choose the one that’s lowest in sodium if possible.

Whether you should eat ketchup depends on what kind of diet you have. If you have ulcerative colitis, it’s generally recommended that you avoid ketchup because it contains sugar and high fructose corn syrup.

Again, it’s all about reading the labels, so you know what you eat.

What condiments are OK with ulcerative colitis?

There are some ingredients in various condiments that may irritate your bowel, whether it is already inflamed or not. If you do not tolerate fat well, or sugar, spices, you may need to avoid some.

Definitely avoid relish, ranch, hot sauce, BBQ sauce, and all restaurant sauces. Of course, everyone is different, but these condiments contain dairy or spices that may irritate your GI tract.

As for the restaurant sauces, ask about the ingredients, so you know exactly what is in them.

But what condiments are ok with ulcerative colitis?

There are a number of condiments that are okay to eat with ulcerative colitis.

If you find that you tolerate fats well, mayonnaise is safe to eat. Mayo is made from egg yolks and oil.

Honey mustard can also be a good choice for you. It is made from vinegar, mustard seeds, and honey, which makes it a good choice for people with IBD because it helps soothe inflammation in the intestines.

Tamari sauce is a gluten-free soy sauce substitute that your gut will enjoy with no issues. Soy sauce can be hard on your intestines and can cause bloating and gas, so it is recommended it you choose an alternative to it.

Tomato alternatives: 6 Good substitutes for tomatoes

Tomatoes are a popular ingredient in many recipes, especially soups, stews, and sauces. They add a bright, tangy flavor to foods and make them super delicious. However, if you don’t tolerate them with ulcerative colitis, try these tomato alternatives instead.

1.Bell peppers: Bell peppers have a sweeter taste than tomatoes and are easier to find year-round, so they make a good substitute for tomatoes. They have the same texture as tomatoes too, so they’re perfect for adding bulk and moisture to sauces or other dishes without having to change anything else about the recipe. If you’re however sensitive to nightshades, it’s best to avoid these!

2. Eggplant: This purple vegetable is often used in Mediterranean recipes because it has a meaty texture and absorbs flavors well. It has a similar texture to tomatoes, so it makes an excellent substitute for pasta sauces or pizza toppings!

3. Zucchini: While zucchini doesn’t have the tartness of tomatoes, the texture is quite similar when cooked. And they are a much healthier option if you have ulcerative colitis as this vegetable is easily digested. Remember to remove the skin and seeds if you’re sensitive.

4. Carrots: Carrots may not seem a good substitute for tomatoes at first glance, but if you cook them down, you will get a great tomato paste alternative.

5. Mangoes: Sounds weird? If you’re looking for tomato alternatives for salads, mangoes are a great addition, as they have that tart flavor with a similar texture to tomatoes. You can also use them in pastes and salsas.

6. Pumpkin: Pumpkin puree works so well in a tomato-less sauce, because of its creamy texture. It makes a great tomato-paste substitute in just about any recipe.

What sauce can I eat with ulcerative colitis?

It may seem that you are very limited when it comes to sauces with ulcerative colitis, as many sauces do include tomatoes and other nightshade vegetables.

But you can always substitute the tomato or bell pepper base with tomato alternatives listed in the previous section!

Also, if you suffer from lactose intolerance with your IBD, it is important that you keep dairy away from your sauces, but nowadays you have many vegan recipes that make the creamiest sauces.

So, what sauce can I eat with ulcerative colitis?

In regards to pasta sauce ulcerative colitis is not the enemy. There are plenty of options for you.

As I said, one option is to make vegan sauces with a creamy cashew or avocado base. Cashews will also provide you with that cheesy flavor that you crave.

As for tomato-less sauces, for pizza or pasta, you can either substitute the tomatoes or use sauces that do not have tomatoes.

Carrots or pumpkins are great for recipes with tomato paste, as you will get a similar consistency and that sweeter taste.

What I like to add to my pasta or pizza, is pesto. I’m not exactly lactose tolerant, but the parmesan cheese in pesto does not make my gut irritated in any way.

Have you tried putting pesto on a pizza? Thank me later.

Conclusion

Tomatoes and ulcerative colitis are not necessarily a bad pair, but you need to be aware of whether tomatoes do affect you, so keep a food journal for any changes in your symptoms.

For me, tomatoes are something that I need to stay away from, in any form. Luckily, there are so many alternatives to them, that I don’t have to keep away from my favorite meals.

And honestly, I have discovered many new sauces that are now my favorite!

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Manca Music
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A linguist living in cooperation with IBD.