Methodology
Two biomedical literature databases were searched: PubMed and Google Scholar (subsections: Biology, Life Science, Environmental Science, Medicine, Pharmacology, and Veterinary Science). The search was conducted using moringa or drumstick as a keyword within the title of the article. Articles dealing with Moringa varieties other than oleifera were excluded; as were articles in which the word drumstick referred to other subject matters (e.g., medical conditions or transcription factor) than the plant. All the remaining articles, including reviews, were critically read. Peer-reviewed articles presenting results of experimental studies, in animals or humans, on the therapeutic potential of M. oleifera leaf extract or powder in chronic hyperglycemia or hyperlipidemia were analyzed for inclusion in this review. The analysis focused on therapy subjects, galenic formulation, mode of administration, dosage, treatment duration, and measurable biochemical outcomes.