The global demand for functional foods and nutraceuticals has grown rapidly due to increasing consumer awareness of the relationship between diet and health. Functional foods, which provide health benefits beyond basic nutrition, and nutraceuticals, which are bioactive compounds derived from food sources with therapeutic potential, represent a transformative sector in modern food and pharmaceutical sciences. Advances in biotechnology, nutrigenomics, precision nutrition, encapsulation technologies, and artificial intelligence are reshaping product development and personalized health solutions. Emerging trends include microbiome-targeted formulations, plant-based bioactives, sustainable sourcing, nano-delivery systems, and regulatory harmonization, digital health integration and data-driven consumer profiling are enabling customized dietary interventions. This review explores scientific, technological, regulatory, and market-driven trends influencing the future of functional foods and nutraceutical development. It also discusses challenges related to efficacy validation, safety, consumer trust, and sustainability. As interdisciplinary innovation accelerates, functional foods and nutraceuticals are poised to play a central role in preventive healthcare and personalized nutrition strategies worldwide.
