Pistacia vera: Bridging Unani Wisdom and Modern Nutraceutical Science: A Comprehensive Review

Background: Pistacia vera L. (pistachio), a member of the Anacardiaceae family, has been traditionally valued in Unani medicine as a tonic for the brain, heart, and reproductive system. Modern research increasingly supports its diverse nutraceutical and pharmacological properties. Objective: This review aims to integrate traditional Unani insights with contemporary scientific evidence on the morphology, nutritional composition, therapeutic applications, and pharmacological activities of Pistacia vera. Materials and Methods: A comprehensive literature review was conducted using databases such as PubMed, Google Scholar, ScienceDirect, and Scopus, alongside classical Unani texts including Khazāʾin al-Advia, Muḥīt-i-Aʿẓam, and Makhzan al-Mufradāt. Data on phytochemistry, temperament, dosage, traditional uses, and pharmacological effects were critically analysed and synthesised. Results: Pistachio kernels contain 55–60% oil, 15–21% protein, 14–18% carbohydrates, ~10% fibre, essential amino acids, unsaturated fatty acids, vitamins (B6, E, K, folate), minerals (Cu, Mn, Zn, Mg), and polyphenols, flavonoids, and carotenoids. Traditional Unani literature highlights its role as Muqawwī-i-Dimāgh (brain tonic), Muqawwī-i-Qalb (cardiac tonic), and Muqawwī-i-Bāh (aphrodisiac). Modern studies demonstrate neuroprotective, cardioprotective, hepatoprotective, nephroprotective, antidiabetic, anti-obesity, anti-inflammatory, anticancer, bronchodilator, anti-melanogenic, acetylcholinesterase inhibitory, and anxiolytic activities. Mechanisms include antioxidant effects, modulation of glucose transporters, anti-inflammatory pathways, and multitargeted organ protection. Conclusion: Pistacia vera bridges Unani wisdom and modern pharmacology, validating its therapeutic potential as a nutrient-rich functional food. Future clinical trials, standardisation of extracts, and mechanistic studies are needed to translate preclinical findings into human applications, establishing pistachio as an integrative nutraceutical for brain, cardiac, metabolic, and reproductive health. Keywords: Pistacia vera, pistachio, Unani medicine, nutraceutical, pharmacological activities, neuroprotection, cardiometabolic health.