It has been proven from the last studies that onion (Allium cepa L.) has a hypoglycemic effect from its polyphenolic antioxidant especially quersetin in high concentration. To know the hypoglycaemic effect of 70% ethanolic extract of onion (Allium cepa L.) was studied in glucose-loaded male white rats. This study was laboratory experimental study. Twenty five male !Nistar rats with 170-260gr of…