Gut microbiome signatures of vegan, vegetarian and omnivore diets and associated health outcomes across 21,561 individuals Nature.comVegan vs. vegetarian vs. omnivore: Does diet type have a big impact on gut health? Medical News TodayDietary choices create distinct gut microbiomes, influencing health outcomes Medical XpressVegans, vegetarians may have healthier guts than meat eaters, study shows Good Morning America