Consistently eat different kinds of plant fibers. If you only eat the same thing, you'll lose diversity in your microbiota. Though we don't know yet which stra

Consistently eat different kinds of plant fibers. If you only eat the same thing, you'll lose diversity in your microbiota. Though we don't know yet which strains are "good" or "bad" (it's context-dependent), having diversity makes sure that all niches are filled and an usurper won't come in and cause problems. This paper may help you, but it was done in germ free colonized with human microbiotas, so the results may not directly translate to humans: Interspecies Competition Impacts Targeted Manipulation of Human Gut Bacteria by Fiber-Derived Glycans https://www.cell.com/cell/fulltext/S0092-8674(19)30899-2 https://www.cell.com/cell/fulltext/S0092-8674(19)30899-2