Around 38 trillion microorganisms live inside the human body. A microbiome is made up of all of these organisms. The human gut microbiota is now being shown to play a substantial effect in general human health, according to scientific data. Probiotics are living bacteria (microorganisms) that are present naturally in the body as well as in fermented foods. Healthy bacteria (microbes) in the human gut absorb prebiotics, which are generated from high-fibre carbohydrates. Prebiotics are defined by the scientific community as a substrate that is preferentially utilised by host bacteria to provide a health advantage. The global probiotics market was estimated at $34.1 billion in 2020, and is expected to grow at an annual rate of 8.6% to $73.9 billion by 2030. The market has experienced an increase in demand for products that boost immunological health as a result of COVID-19's unanticipated impact, which is predicted to help the probiotics market. As a result, major product launches are taking place in order to meet the increased demand. The Prebiotics Industry is expected to grow at a rate of more than 10% between 2021 and 2027, owing to increased demand for prebiotics from the dairy industry.