Hulba (Trigonella foenum-graecum L.): A Comprehensive Unani Drug Review Integrating Classical Literature, Phytochemistry, Pharmacological Activities, Therapeutic Applications, and Contemporary Scientific Evidence

Objective(s): To critically review Hulba (Fenugreek; Trigonella foenum-graecum L.) in the light of classical Unani literature and contemporary scientific evidence, with emphasis on its temperament (mizāj), vernacular names, parts used, doses, correctives, substitutes, compound formulations, pharmacological actions, therapeutic applications, phytochemical constituents, and experimentally validated pharmacological activities. Data Sources: Classical Unani texts, including Al Jāmiʿ li-Mufradāt al-Adwiya wa al-Aghdhiya, Muḥīṭ-i-Aʿẓam, Khazāʾin al-Adwiya, Al-Qānūn fī al-Ṭibb, and standard CCRUM publications, were consulted. Contemporary literature was retrieved from PubMed, Google Scholar, ScienceDirect, and Scopus. Study Selection: Relevant English, Arabic, Persian, and Urdu sources describing the traditional uses, phytochemistry, pharmacology, toxicology, and clinical studies of Trigonella foenum-graecum, published up to February 2026, were critically screened and synthesized. Summary of Contents: Hulba is classified in Unani medicine as predominantly hot and dry and is widely used as a carminative, tonic, aphrodisiac, galactagogue, anti-inflammatory, expectorant, laxative, and antidiabetic drug. Classical indications include diabetes, dyspepsia, flatulence, arthritis, asthma, amenorrhoea, leucorrhoea, anemia, wounds, and skin disorders. Phytochemical investigations reveal galactomannan, 4-hydroxyisoleucine, trigonelline, diosgenin, steroidal saponins, flavonoids, and alkaloids as principal bioactive constituents. Experimental and clinical studies confirm significant hypoglycemic, hypolipidemic, antioxidant, gastroprotective, hepatoprotective, antimicrobial, neuroprotective, and immunomodulatory effects. Conclusion: The convergence of classical Unani descriptions and contemporary scientific findings supports Hulba as a scientifically validated medicinal and functional food with considerable potential in evidence-based and integrative healthcare. Further standardized clinical trials and mechanistic studies are warranted.