There is an abundance of research demonstrating the interplay of the microbiome and diseases such as inflammatory bowel disease, diabetes, and liver disease however, there still a massive gap in our understanding of what a “normal” and “healthy” microbiome looks like. Through the Healthy Optimal Australian Microbiome Study, researchers at UNSW Microbiome Research Centre hope to shed some light on this by defining what the ultimate-healthy and normal microbiome looks like.