Authors : Doreen Darko; Edmond Kwekutsu; Idoko Peter Idoko

Volume/Issue : Volume 10 - 2025, Issue 3 - March

Google Scholar : https://tinyurl.com/3pe5wnpy

Scribd : https://tinyurl.com/5he7e3ju

DOI : https://doi.org/10.5281/zenodo.14987704

Abstract : Chronic diseases, including cardiovascular disorders, diabetes, cancer, and neurodegenerative conditions, remain major public health challenges worldwide. Emerging research highlights the therapeutic potential of phytochemicals, bioactive compounds found in plants, in mitigating disease progression through antioxidant, anti-inflammatory, and gene- regulatory mechanisms. This review explores the synergistic effects of phytochemicals in combating chronic diseases, emphasizing their molecular mechanisms of action and implications for nutraceutical development. The study synthesizes evidence on key phytochemicals—such as polyphenols, flavonoids, carotenoids, and alkaloids—and their ability to work synergistically, enhancing bioavailability, efficacy, and therapeutic outcomes beyond single-compound treatments. Special attention is given to molecular pathways, including NF-κB, Nrf2, and PI3K/Akt signaling, to understand how phytochemical interactions modulate oxidative stress, inflammation, and metabolic dysregulation. Additionally, advancements in nutraceutical formulations, such as nanoencapsulation, bioenhancers and functional food integration, are reviewed to address challenges in bioavailability and clinical translation. This review underscores the need for standardized research methodologies, clinical validation, and regulatory frameworks to optimize phytochemical-based therapeutics. By bridging traditional plant-based medicine with modern molecular pharmacology, this study contributes to the growing body of knowledge supporting dietary interventions in chronic disease management. Future research should explore personalized nutrition, AI-driven predictive models for phytochemical synergy, and novel formulation techniques to maximize the health benefits of phytochemicals in global healthcare systems.

Keywords : Phytochemicals, Chronic Diseases, Nutraceuticals, Synergy, Molecular Mechanisms, Functional Foods, Antioxidants, Inflammation.

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