There is a mighty but invisible kingdom of microbes present within your body. Small yet incredibly powerful, these thousands of species and trillions of inhabitants live in all parts of your body and make up the diverse human microbiome. These microbiomes support and maintain your health, but also, when the microbiome is disturbed in some fashion, they have been linked to hundreds of ailments such as cancers, autoimmune and cardiovascular diseases. More than a decade ago, little was known about the myriad of microorganisms that live happily inside and on our bodies. Now researchers believe they could change the future of human health. Scientists have been focused on research connecting nutrition, the microbiome, and the immune system axis as a significant contributor to health and the future of personalized medicine. After a decade of uncertainty, a trio of clinical trial successes in 2020 is spurring enthusiasm about the potential for effectively treating disease via manipulation of the gut microbiome. Biopharma and nutrition companies have revved up their investments to reveal how gut bacteria can influence everything from cancer treatments to mental health. Whether you're an entrepreneur, investor, philanthropist, or just want to understand more about this new "farmacy", gut microbes should be on your radar as the key to good health and disease treatment.