Is Dr. Will Bulsiewicz Vegan? Unpacking the Gut Health MD's Diet
                                
                                
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                                    5 min read                                
                            
                                According to research from the American Gut Project, the single greatest predictor of a healthy gut microbiome is the diversity of plants in one's diet. Dr. Will Bulsiewicz, a leading gastroenterologist and author of *Fiber Fueled*, is an advocate for plant-based nutrition and confirms he is indeed vegan, though his public message is one of inclusivity.