“…These compounds can well justify the reducing effects of some plants on blood sugar and lipids, as they prevent biochemical changes in blood [4]. Some medicinal herbs that contain such active compounds are: Camellia sinensis (Theaceae), which includes a significant amount of polyphenols including catechins, [5,6]; Rosa canina (Rosaceae), which contains phenolic acid, proanthocyanidins, polyphenols, unsaturated fatty acids, phospholipids, minerals, galaldipids, carotenoids and vitamin C [7,8]; Althaea officinalis (Malvaideae), containing various natural compounds such as peptin, starch, monosaccharides, dicalcium, flavonoids, antioxidants, coumarins, scopolinotine, tannin, asparagine and many amino acids [9,10]; and Plantago major (Plantaginacea) which contains alkaloids, caffeic acid derivatives, flavonoids, and iridoid glycosides [11,12]. Orlistat is a drug used for the treatment of obesity [13].…”