The therapeutic and pharmacological properties of plant bioactive constituents still continue to be the subject of many researches. Species of the Aloe genus have a history in folklore medicine and they have gained more attention over the years due to their various medicinal properties. Phytochemical studies have revealed that the Aloe species contain a number of constituents, such as polyphenols, phytosterols, polysaccharides, proteins, amino acids, chromones, and mineral elements. A comprehensive evidence-based review on the different constituents of Aloe species is needed in order to understand the benefits imparted by them. This review presents an overview of the bioactive components of the Aloe genus with emphasis on their anti-diabetic potential and other pharmacological benefits. This information will be beneficial for the advancement of new strategies of Aloe formulations with therapeutic and economical value in the near future. Furthermore, the potential applications and constraints have also been discussed so as to provide a wider prospect for research in this field for the benefit of the society. © xxxx **