�� Tip: soak and thoroughly rinse canned legumes and pulses to lower 'anti-nutrients' such as lectins (which can inhibit absorption of vitamins and minerals) , and to make them better tolerated by individuals with more sensitive guts, particularly if you suffer from Irritable Bowel Syndrome (IBS). Arletta Cwalina / EyeEmGetty Images 3. Flaxseeds (or linseeds) Don't be fooled by these unassuming little seeds; flaxseeds come with a wealth of gut health benefits. 'They are a good source of omega 3 which is thought to play a role in gut health, but they are an excellent source of dietary fibre which helps to soften stools and make them easier to pass,' says Dr Rossi.