Sibr, Aloe barbadensis is a medicinal plant which has been used for thousands of years in Unani system of medicine. The health benefits of aloe vera are well known and accepted to scholars and researchers today. The genus Aloe has more than 400 species but few, such as A. vera, Aloe ferox, and Aloe arborescens are globally used for trade. Therapeutic uses are in diseases of head, ear, nose and throat, conjunctivitis, ulcers, tonsillitis, gastro-intestinal tract diseases, piles, skin diseases, malignant ulcers etc., in this system of medicine since centuries. The present review summarizes the pharmacological actions, therapeutic benefits and phytochemical constituents in light of pre-clinical and clinical studies done on aloe vera.
