The book titled Prebiotics, Probiotics and Nutraceuticals is expected to direct many emerging research pathwaysneed at local and global levels for nutrition and food supplements for developing immunity for healthy life. This volume incorporates sixteen seminal papers on issue based research and their practical applications covering latest information and progress on different area of nutritional supplement research fight against disease. The book highlights the frontier issues and applications in nutritional biotechnology with wide coverage of the themes like Potentiality of Probiotics in Inactivation of Tetrodotoxin, Therapeutic Strategy for the Deterrence of COVID-19 with Relevance to Probiotics and Prospectives of Prebiotics, Probiotics and Synbiotics for Sustainable Development in Aquaculture.Plant based Bioactive compounds in Cancer Therapeutics, Recent Trends in Natural Medicines and Nutraceuticals Research, Probiotics as efficacious therapeutic option for treating gut-related diseases: molecular and immune-biological perspectives, The progressive development of probiotics, prebiotics, synbiotics research, and its multipurpose use in the ornamental fishery, The commercial perspective of probiotics, and bioremediating components in aquaculture pond management: A Case Study andPrebiotics as promising therapeutics for treating gut-related disorders : Biochemical and Molecular Perspectives. Prebiotics and Probiotics as Functional Foods: Prospect and Promises in Metabolic Diseases, Implications of probiotics and prebiotics on immune functions. Recent Trends in Natural Medicines and Nutraceuticals Research, Nutraceuticals are alternative to modern medicines, Socio-Economic Study of Prospective of probiotic, prebiotic and synbiotic for sustainable development of aquaculture in Indian Sunderban. This book will be very useful for the scholars, biotechnologists, agricultural scientists, nutritionist, medical doctors, researchers, teachers and students in the emerging field of biotechnology.