Diabetes mellitus is a chronic metabolic disorder marked by hyperglycemia, resistance to insulin, and impaired function of the pancreatic β-cells; it advances into more serious complications like nephropathy, neuropathy, cardiovascular disease, and retinopathy; herbal medicine has indicated promise in not just mitigating the symptoms but also in managing the complications. This review would aim to evaluate the pharmacological aspect of the botanical therapies Anacardium occidentale, Allium sativum, Urtica dioica, and Cinnamomum zeylanicum, as well as their bioactive phytochemicals, quercetin, resveratrol, berberine, and epigallocatechin gallate (EGCG). In this review, we discuss their mechanisms for secreting the insulin sensitizers, carbohydrate-hydrolyzing enzymes, reduction in oxidative stress and effectiveness against diabetic complications-all through sensitivity to insulin. Great emphasis is laid on the integration of multi-omics technologies such as genomics, proteomics, metabolomics, and transcriptomics in the discovery of bioactive compounds. The nature of the technologies can evaluate the intrinsic complexities of herbal pharmacology and even identify therapeutic candidates. Finally, the review refers to the meagre clinical trials on the efficiency of these compounds in the metabolism of humans. High-quality future research, such as human large-scale trials, would be emphasized; improvement in the clinical validity of a drug might come from improved study design, better selection of potentially usable biomarkers, and enhanced safety profiles to guarantee efficacy with lessened risks.
Keywords: diabetes; herbal; multi‐omics; pharmacological; phytochemical.
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