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Anxiety is a state of mind with some fear that affects physical health by disrupting neurotransmission and hormonal control. Both diet (inadequate and unhealthy dietary patterns) and environment (social and financial factors) trigger its progression; therefore, diet is considered to have a significant involvement in its prevention or adjunct therapy. A unique nutrient profile and bioactive ingredients are seen in fruits to provide health outcomes beyond nutritive properties. The relaxing potential of such fruits is attributed to the functional nature and therapeutic ingredients i.e., catecholamines, myricetin, quercetin, betalains, etc. that enhance the efficiency of hormones, neurotransmitters, and metabolic pathways. This review presented certain fruits having positive associations with mental health and anxiety amelioration. Various types of research evidenced the anxiolytic effect of certain fruits through clinical trials. Among them, berries, opuntia, and black pepper also have shown anxiety-relieving effects in clinical studies by restoring antioxidant enzymes, hormonal modulations, and managing neurotransmitters. Citrus species are loaded with flavonoids which are involved in the expression of GABA (Gamma-Amino Butyric Acid) to calm the nervous system. Some other fruits also potentiate memory and cognition when taken in ample amounts owing to their secondary metabolites. Thus, the incorporation of such fruits into a regular diet has been found to have a significant impact on mental well-being and brain health.
Manzoor et al. (Sun,) studied this question.