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Top low sugar fermented foods for gut health

August 27, 2025
5 minutes
Healthy Eating
Dietary trends

Fermented foods have been around for centuries, but recently they’ve become popular again—and for good reason. These foods don’t just taste great; they can also improve digestion and boost your overall health. If you're trying to eat less sugar but still want to enjoy the benefits of fermented foods, you're in luck. There are many delicious options that are low in sugar and high in gut-friendly goodness.

In this article, we’ll explain how fermented foods help your gut, explore whether you can ferment food without sugar, share a helpful fermented foods list, give you some easy meal ideas, and show how Evidation can support your gut health goals.

The impact of fermented foods on gut health

Your gut is home to trillions of tiny organisms—mainly bacteria—that help digest food, produce vitamins, and protect against harmful germs. This community of organisms is called your gut microbiome, and keeping it balanced is key to feeling good.

Fermented foods are rich in probiotics, which are helpful bacteria that support a healthy gut.

When you eat fermented foods, you add more of these good bacteria to your digestive system, which can:

  • Improve digestion
  • Reduce bloating and gas
  • Support your immune system
  • Help your body absorb nutrients better
  • Improve mood and brain health

Scientists have linked gut health to everything from weight control to mental health, so adding fermented foods to your diet is a smart move. The best part: You don’t need sugary yogurt or drinks to get the benefits. There are plenty of low-sugar fermented foods that can do the job just as well—or even better.

Can you ferment food without sugar?

Yes, you can absolutely ferment foods without adding sugar. Many people think that sugar is required for fermentation, but that’s not always the case.

Fermentation happens when natural bacteria or yeast eat up the carbohydrates (like sugars and starches) in a food. This process creates acids, gases, and sometimes alcohol. While some recipes (like kombucha) need sugar to feed the bacteria, many others don’t need added sugar at all.

Examples of no-sugar fermentation include:

  • Sauerkraut (made from just cabbage and salt)
  • Kimchi (vegetables, garlic, chili, and salt)
  • Pickles (cucumbers fermented in salty water, not vinegar)
  • Plain yogurt (milk and live cultures—no added sugar)
  • Kefir (use unsweetened versions for less sugar)

In fact, sugar can sometimes feed the wrong kinds of bacteria in your gut. That’s why choosing low-sugar fermented foods is often better for long-term gut health.

Fermented foods list

Ready to stock your fridge with gut-friendly options? Here’s a list of low-sugar fermented foods that are easy to find (or make) and taste great:

Sauerkraut

Fermented cabbage that’s tangy, crunchy, and full of probiotics. Look for refrigerated brands with no added sugar or preservatives.

Kimchi

A spicy Korean dish made from cabbage, radish, garlic, and chili. It has a bold flavor and is great in rice bowls or on sandwiches.

Plain yogurt

Choose versions labeled “live and active cultures.” Skip flavored or fruit yogurts—those often contain added sugars.

Greek yogurt

Thicker and higher in protein than regular yogurt. Again, go for plain to keep sugar low.

Kefir

A drinkable fermented milk, sort of like a yogurt smoothie. Unsweetened kefir is rich in probiotics.

Pickles (fermented, not vinegar-brined)

Look for pickles made with salt and water (called “lacto-fermented”) instead of vinegar. They’re usually found in the refrigerated section.

Miso

A fermented soybean paste used in soups, marinades, and sauces. It adds a salty, umami flavor.

Tempeh

Another soybean-based product, but it’s firm and nutty-tasting. Tempeh can be sliced and grilled like meat.

Natto

A traditional Japanese food made from fermented soybeans. It has a strong flavor and sticky texture, but it’s incredibly good for gut health.

Apple cider vinegar (with the “mother”)

Raw apple cider vinegar contains beneficial bacteria. Add a splash to salad dressings or water, but don’t overdo it.

Fermented food recipes and meals to try

Wondering how to include these foods in your daily meals? It’s easier than you might think.

Here are some simple ideas that use low-sugar fermented foods:

Breakfast

  • Greek yogurt parfait with chopped nuts, chia seeds, and berries (instead of sugary granola)
  • Smoothie with plain kefir, spinach, banana, and cinnamon
  • Miso soup with tofu as a warm, savory start to the day

Lunch

  • Grilled tempeh wrap with lettuce, tomato, and avocado
  • Salad topped with sauerkraut for a tangy crunch
  • Vegetable soup with a spoonful of miso stirred in at the end (don’t boil it—it can kill the gut-healthy probiotics)

Dinner

  • Stir-fried kimchi and rice with a fried egg on top
  • Tempeh tacos with cabbage slaw and lime
  • Roasted vegetables with a miso glaze

Snacks

  • A handful of fermented pickles
  • Plain yogurt with cinnamon and pumpkin seeds
  • Natto over warm rice with green onions and soy sauce

Try to enjoy at least one fermented food every day to support your gut. If you’re new to them, start slow—some people need time to get used to the flavors and effects on digestion.

How Evidation can help support gut health

Taking care of your gut goes beyond what’s on your plate. Whether you're trying to detox or simply clean up your diet, understanding how behaviors and choices affect your health can be a step in the right direction. Your sleep, stress levels, exercise, and habits all play a role, and that's where Evidation can help. Here's how it works: when you download the free app, you'll be prompted to share the health info you're already tracking. From there, the app will work to find patterns and connections, offering you personalized, content-based insights that can take your health to the next level. Click here to learn more and get started with Evidation today.

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