Food List

Foods for Gut Health

A healthy gut relies on two things: fermented foods that add beneficial bacteria, and fibre that feeds them. This list brings together the best gut-friendly whole foods, from kimchi and kefir to beans and wholegrains, to help support digestion and a balanced microbiome.

Food Fiber Per 100 g Per serving
Popcorn (air-popped) Grains 15 g 387 kcal P 13 · C 78 · F 4.5 · Fib 15 8 g (0.3 oz) 31 kcal · P 1 1 cup
Rye flakes (dry) Grains 15 g 338 kcal P 10 · C 76 · F 2.5 · Fib 15 50 g (1.8 oz) 169 kcal · P 5 1 portion
Oats (rolled, dry) Grains 11 g 389 kcal P 17 · C 66 · F 7 · Fib 11 81 g (2.9 oz) 315 kcal · P 13.8 1 cup
Black beans (cooked) Legumes 9 g 132 kcal P 9 · C 24 · F 0.5 · Fib 9 172 g (6.1 oz) 227 kcal · P 15.5 1 cup
Pinto beans (cooked) Legumes 9 g 143 kcal P 9 · C 26 · F 0.7 · Fib 9 171 g (6 oz) 245 kcal · P 15.4 1 cup
Lentils (cooked) Legumes 8 g 116 kcal P 9 · C 20 · F 0.4 · Fib 8 198 g (7 oz) 230 kcal · P 17.8 1 cup
Chickpeas (cooked) Legumes 8 g 164 kcal P 9 · C 27 · F 2.6 · Fib 8 164 g (5.8 oz) 269 kcal · P 14.8 1 cup
Split peas (cooked) Legumes 8 g 118 kcal P 8 · C 21 · F 0.4 · Fib 8 196 g (6.9 oz) 231 kcal · P 15.7 1 cup
Mung beans (cooked) Legumes 7.6 g 105 kcal P 7 · C 19 · F 0.4 · Fib 7.6 200 g (7.1 oz) 210 kcal · P 14 1 cup
Adzuki beans (cooked) Legumes 7.3 g 128 kcal P 8 · C 25 · F 0.1 · Fib 7.3 230 g (8.1 oz) 294 kcal · P 18.4 1 cup
Kidney beans (cooked) Legumes 7 g 127 kcal P 9 · C 23 · F 0.5 · Fib 7 177 g (6.2 oz) 225 kcal · P 15.9 1 cup
Lima beans (cooked) Legumes 7 g 115 kcal P 8 · C 21 · F 0.4 · Fib 7 170 g (6 oz) 196 kcal · P 13.6 1 cup
Wholemeal bread Grains 7 g 247 kcal P 13 · C 41 · F 3.4 · Fib 7 40 g (1.4 oz) 99 kcal · P 5.2 1 slice
Black-eyed peas (cooked) Legumes 6.5 g 116 kcal P 8 · C 21 · F 0.5 · Fib 6.5 165 g (5.8 oz) 191 kcal · P 13.2 1 cup
Cannellini beans (cooked) Legumes 6 g 142 kcal P 10 · C 25 · F 0.6 · Fib 6 177 g (6.2 oz) 251 kcal · P 17.7 1 cup
Hummus Legumes 6 g 166 kcal P 8 · C 14 · F 10 · Fib 6 60 g (2.1 oz) 100 kcal · P 4.8 1 portion
Soybeans (cooked) Legumes 6 g 173 kcal P 17 · C 10 · F 9 · Fib 6 172 g (6.1 oz) 298 kcal · P 29.2 1 cup
Rye bread Grains 6 g 259 kcal P 9 · C 48 · F 3.3 · Fib 6 32 g (1.1 oz) 83 kcal · P 2.9 1 slice
Miso paste Legumes 5.4 g 199 kcal P 12 · C 26 · F 6 · Fib 5.4 17 g (0.6 oz) 34 kcal · P 2 1 tbsp
Natto Legumes 5.4 g 211 kcal P 19 · C 13 · F 11 · Fib 5.4 85 g (3 oz) 179 kcal · P 16.2 1 portion
Sauerkraut Vegetables 2.9 g 19 kcal P 0.9 · C 4.3 · F 0.1 · Fib 2.9 85 g (3 oz) 16 kcal · P 0.8 1 portion
Kimchi Vegetables 1.6 g 15 kcal P 1.1 · C 2.4 · F 0.5 · Fib 1.6 85 g (3 oz) 13 kcal · P 0.9 1 portion
Pickles (fermented) Vegetables 1.1 g 11 kcal P 0.5 · C 2.3 · F 0.2 · Fib 1.1 100 g (3.5 oz) 11 kcal · P 0.5 1 portion
Greek yogurt (0% fat) Eggs & dairy 0 g 59 kcal P 10 · C 3.6 · F 0.4 200 g (7.1 oz) 118 kcal · P 20 1 tub
Greek yogurt (full-fat) Eggs & dairy 0 g 97 kcal P 9 · C 4 · F 5 200 g (7.1 oz) 194 kcal · P 18 1 tub
Skyr Eggs & dairy 0 g 63 kcal P 11 · C 4 · F 0.2 150 g (5.3 oz) 95 kcal · P 16.5 1 tub
Tempeh Legumes 0 g 192 kcal P 20 · C 8 · F 11 100 g (3.5 oz) 192 kcal · P 20 1 portion
Quark Eggs & dairy 0 g 67 kcal P 12 · C 4 · F 0.2 150 g (5.3 oz) 101 kcal · P 18 1 portion
Kefir Eggs & dairy 0 g 41 kcal P 3.3 · C 4.5 · F 1 240 g (8.5 oz) 98 kcal · P 7.9 1 glass
Kombucha Eggs & dairy 0 g 14 kcal P 0 · C 3.5 · F 0 240 g (8.5 oz) 34 kcal · P 0 1 glass

Two things build a healthy gut: fermented foods (kimchi, sauerkraut, kefir, yogurt, miso) that add good bacteria, and fibre (beans, wholegrains, seeds) that feeds them. A mix of both is the simplest way to support your microbiome.

Frequently asked questions

What foods are good for gut health?

Fermented foods like kimchi, sauerkraut, kefir, yogurt and miso add beneficial bacteria, while high-fibre foods like beans, lentils, wholegrains and seeds feed the good bacteria already in your gut. Eating a variety of both is the best approach.

What is the difference between probiotics and prebiotics?

Probiotics are the beneficial live bacteria found in fermented foods. Prebiotics are the fibres that feed those bacteria, found in plants like onions, garlic, oats, beans and bananas. Your gut benefits from both working together.

How quickly can you improve gut health?

Some changes in the gut microbiome can happen within days of shifting your diet, but building a robust, diverse gut takes consistency over weeks and months. Regular fermented foods, plenty of fibre and variety are the foundation.

Nutrition values are approximate, per 100 g, derived from the USDA FoodData Central database. Serving sizes are typical examples and will vary.

welanutria provides general information only and is not medical or dietary advice.