The Surprising Truth About Peppers and Your Gut

When it comes to spicy food, many people still believe one thing: it is bad for your stomach.

But that long-standing myth may need a refresh.

This Cinco de Mayo, those jalapeños, poblanos, and serranos on your plate are not just bringing the heat. They may also offer some surprising benefits for your gut.

Do Spicy Foods Really Cause Ulcers?

Let’s start with the big one.

For years, spicy foods were blamed for causing stomach ulcers. Today, science tells a different story. 

Most ulcers are actually caused by Helicobacter pylori (H. pylori) infection or frequent use of anti-inflammatory medications like NSAIDs, not spicy food.

According to the National Institute of Diabetes and Digestive and Kidney Diseases:

Spicy foods may irritate symptoms for some people, especially if an ulcer is already present, but they are not the root cause.

The Role of Capsaicin: More Than Just Heat

The compound behind the burn in chili peppers is called capsaicin, and it is getting attention for its potential positive role in gut health.

Emerging research suggests capsaicin may:

•    Support protective mucus production in the stomach
•    Help improve blood flow to the stomach lining
•    Exhibit anti-inflammatory and antimicrobial properties

Another study published in Molecules highlights capsaicin’s role in protecting the gastric lining and lowering inflammation.

Instead, think of spicy peppers this way:  They’re not a cure for ulcers, but they may play a supportive role in maintaining a healthy gut environment.

And as with most foods, tolerance is personal. If spicy foods don’t agree with you, adjust accordingly.

A Smarter Way to Celebrate

Cinco de Mayo is a perfect time to enjoy bold flavors, and peppers can absolutely be part of a balanced celebration.

Instead of focusing on what to avoid, think about what to add:

•    Fresh salsas made with tomatoes, onions, and chili peppers.  For a fruity twist, try our pineapple mango salsa.
•    Grilled vegetables with a hint of spice
•    Guacamole paired with crunchy vegetables

This Cinco de Mayo, go ahead and enjoy the heat. Just keep it balanced, listen to your body, and let fresh, flavorful ingredients take center stage.

Published May 1st 2026