There’s a secret your gut wants you to know: it thrives on fermented foods.
These naturally tangy treats are packed with probiotics – friendly bacteria that help your digestive system run smoothly.
But the benefits don’t stop there. Fermented foods can boost energy, clear skin, and even lift mood.
From creamy cheese to crunchy pickles, here’s a guide to the tastiest 10 Best Fermented Foods for Daily Gut Health – and simple ways to enjoy them every day.
Why Fermentation Is So Good for You
Fermented foods are made by letting natural bacteria or yeast feed on the sugars in food. This process produces beneficial bacteria (probiotics) and breaks down nutrients, making them easier for your body to absorb.
A happy gut can lead to:
Improved digestion
Reduced bloating
Clearer skin
Stronger immunity
Better nutrient absorption
Many fermented foods also contain a natural dose of vitamins, minerals, and antioxidants, making them nutritional powerhouses.
The Top 10 Fermented Foods for a Healthier Gut
1. Yoghurt (With Live Cultures)
A creamy classic, yoghurt is rich in calcium, vitamin B12, and riboflavin (B2), alongside live probiotic cultures like Lactobacillus and Bifidobacterium.
How to enjoy it:
Mix with fresh fruit and flaxseeds
Swirl into soups for creaminess
Use it instead of mayo in dips and dressings
Go for plain, unsweetened versions that list “live and active cultures” on the label.
2. Kefir
A fermented milk drink that’s a bit like a tangy yoghurt smoothie. It’s packed with over 30 strains of probiotics and is rich in calcium, magnesium, vitamin D, and vitamin K2.
How to enjoy it:
Sip it as a snack
Blend with berries and oats for breakfast
Use in overnight oats or pour over granola
Dairy-free options like coconut kefir are great too.
3. Sauerkraut
This tangy shredded cabbage is more than a German side dish. It’s high in vitamin C, vitamin K, and fibre, plus digestive enzymes and probiotics.
How to enjoy it:
Add a spoonful to toast or grain bowls
Sprinkle onto scrambled eggs
Use as a zingy side to fish or veg dishes
Choose unpasteurised sauerkraut kept in the fridge to get the probiotic benefit.
4. Kimchi
A fiery, fermented Korean side made with cabbage, radish, garlic, ginger, and chilli. It’s rich in vitamin A, vitamin C, B vitamins, and antioxidants.
How to enjoy it:
Stir into fried rice
Add to tacos or toast
Mix into savoury pancakes or omelettes
Kimchi supports digestion and immunity while giving meals a spicy kick.
5. Kombucha
A fizzy fermented tea that’s naturally rich in probiotics and organic acids. Kombucha also provides B vitamins, especially B1 (thiamine), B6, and B12.
How to enjoy it:
Drink it cold with a slice of lemon
Use in mocktails with mint and berries
Swap it for your usual fizzy drink
Look for raw, unpasteurised versions with low added sugar.
6. Miso
A salty soybean paste used in Japanese cooking. Miso is high in manganese, zinc, vitamin K, and protein, and contains live cultures (if unpasteurised).
How to enjoy it:
Add to warm water for a quick soup
Mix into marinades and salad dressings
Spread lightly on toast with avocado
Don’t boil miso – high heat kills the good bacteria.
7. Tempeh
This fermented soybean cake has a nutty flavour and is bursting with protein, iron, magnesium, and vitamin B6. It also has both probiotics and prebiotics (fibre that feeds good bacteria).
How to enjoy it:
Pan-fry and add to stir-fries
Slice into wraps or sandwiches
Crumble into tacos or bowls
It’s a brilliant plant-based protein option.
8. Sourdough Bread
Yes, good news—your favourite crusty loaf is fermented! Sourdough bread is made with wild yeast and bacteria and is easier to digest than regular bread. It also contains iron, selenium, B vitamins, and natural prebiotics.
How to enjoy it:
Toast and top with eggs, avocado, or nut butter
Serve with soup or salad
Use for gut-friendly sandwiches
Look for artisan or slow-fermented sourdough with a bubbly, chewy texture.
9. Cheese (Aged, Unpasteurised)
Some cheeses, like cheddar, gouda, and blue cheese, are naturally fermented and contain calcium, vitamin A, vitamin B12, and healthy fats. Raw, aged cheeses may also retain probiotics.
How to enjoy it:
Pair with fruit, nuts, and whole-grain crackers
Melt into omelettes or veg dishes
Add to a small grazing board with fermented extras
Choose aged or raw milk cheeses for live cultures—check the label.
10. Olives (Naturally Fermented)
Proper brined olives are rich in vitamin E, iron, copper, and antioxidants. Fermented varieties also provide beneficial bacteria.
How to enjoy them:
Toss into salads or pasta
Add to wraps, sandwiches, or grain bowls
Snack on a small handful with cheese and pickles
Go for unpasteurised, traditionally brined olives in jars or from deli counters.
How to Add Fermented Foods to Your Day
Making fermented foods part of your routine doesn’t have to be fancy or complicated. Try this:
Start with one meal a day: Add kimchi to lunch or kombucha in the afternoon
Use fermented swaps: Sourdough instead of white bread, yoghurt instead of cream
Snack smart: Olives, kefir, or a bit of aged cheese can satisfy hunger and support your gut
Rotate your choices: Different foods = different strains of good bacteria
Mind the heat: Add fermented foods after cooking to keep the live cultures intact
A Note for First-Timers
If you’re new to fermented foods, start slowly. Too much too soon can lead to bloating or mild discomfort while your gut adjusts.
One or two small servings a day is a great place to begin.
If you’re pregnant, have a weakened immune system, or have any digestive or health issues, it’s best to speak with your doctor or nutritionist before trying unpasteurised fermented foods.
Simple Swaps, Big Benefits
Incorporating fermented foods is easier than you might think.
Begin with simple swaps—add a dollop of yoghurt to your morning routine, use sourdough for your sandwiches, or toss a few olives into your salad.
Keep things low-effort by having a few go-to options ready at home.
Even small, regular servings can support better gut health over time. Start with what feels manageable and gradually include more as you go.