The whole plant, but especially the bulb, contains alliin (sulfur glucoside), an enzyme (alliinase), vitamins A1, B1, B2, C and niacin (vitamin B complex).
Lonke isitshalo, kodwa ikakhulukazi isibani iqukethe alliin (glucoside sulphur), i-enzyme (alliinase), amavithamini A1, B1, B2, C no niacin (Vitamin B complex).