Plant-Derived Nutraceuticals in Mental Health and Brain Function: Mechanisms of Action and Therapeutic Potential
Abstract
Considering the multiple benefits of nutraceuticals, and given the growing interest in exploring these effects, understanding their mechanisms and implications in mental well-being and neurological integrity is essential and requires further examination to clarify their therapeutic potential. This narrative review provides a comprehensive overview of recent advances in plant-derived nutraceuticals, particularly regarding their impact on mental health and brain function, by examining their bioactive components, their involvement in neuropsychiatric conditions, their role in neurodegeneration, emerging nutraceuticals with clinical relevance, and gut microbiome interactions with nutraceuticals and phytochemicals. Essential fatty acids, prebiotics, phytochemicals, and nutrients such as amino acids, vitamins, minerals, and omega-3 fatty acids contribute to mood regulation and cognitive function. Nutraceuticals can prevent or slow neurodegeneration by targeting misfolded proteins and modulating oxidative stress, neuroinflammation, mitochondrial dysfunction, and dysregulated signaling pathways. Phytochemicals act as phytopsychobiotics, influencing mental health through gut microbiome modulation and generation of bioactive metabolites. Hypericum and curcumin exert neuroprotective, anti-inflammatory, antioxidant, and antidepressant effects. Ginsenosides promote neuroprotection, partially via gut microbiome-mediated mechanisms. Administration of Ginkgo biloba polysaccharides and…
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