Mechanistic Relevance of Ayurvedic Pathya Ahara Components in the Management of Type 2 Diabetes Mellitus: A Narrative Review
Year: 2026
Type: review
Abstract: Background: Type 2 Diabetes Mellitus (T2DM) currently affects an estimated 589 million adults world-wide; a figure projected to 853 million by 2050. Ayurveda describes a clinically comparable condition, Prameha (obstinate urinary disorders), marked by excessive urination, metabolic dysregulation, and adipose tissue dysfunction, and managed primarily through Pathya Ahara (wholesome diet). Classical texts identify five principal dietary components for Prameha: Yava (barley), Mudga (green gram), Sarshapa Taila (mustard oil), Madhu/Madhudaka (honey/honey water) and Kapitha (wood apple). Objectives: To examine the classical Ayurvedic rationale for these five components and synthesize contemporary biomedical evidence on their possible mechanistic relevance to the dietary management of T2DM. Methods: This narrative review drew on classical Ayurvedic literature like Charak Samhita, Sushruta Samhita, Ashtanga Hridayam and Bhavprakasha Nighantu alongside a structured search on PubMed, Scopus and Google Scholar (database inception to December 2025). Evidence from human, animal and in vitro studies was synthesized narratively, following the Scale for the Assessment of Narrative Review Articles (SANRA). Results: Yava (barley) improved postprandial glucose and glycated hemoglobin, an effect attributed β-glucan-mediated GLP-1 stimulation and gut microbiota modulation. Mudga (green gram) inhibited intestinal α-amylase and α-glucosidase and enhanced peripheral glucose uptake via Janus kinase 2 (JAK2) mediated signaling. Sarshapa Taila (mustard oil) appeared to improve insulin sensitivity through PPARγ activation, greater GLUT4 translocation, and reduced inflammatory cytokine levels. Madhu (honey) showed antioxidant effects on pancreatic β-cells and supported hepatic glycogen synthesis, though its glycemic effects in established T2DM were inconsistent across studies. Kapitha (Wood apple) activated AMPK and demonstrated hepatoprotective and antioxidant effects in experimental models. Conclusion: These five classical dietary components act on several pathways relevant to glucose homeostasis, insulin sensitivity, oxidative stress and inflammation, lending biological plausibility to their continued use and further study as complementary nutritional strategies in T2DM. Randomized controlled trials remain necessary before any firm clinical recommendations can be made.
Institution: Ayurved Mahavidyalaya & Seth RV Ayurved Hospital
Language: English
Subfield: Endocrinology, Diabetes and Metabolism
Field: Medicine
Domain: Health Sciences
Open Access status: diamond
OpenAlex ID: W7225322004