Kohlrabi is a good source of vitamin C and potassium. It is low in both sodium and calories. One cup diced and cooked kohlrabi contains only 40 calories and 140% of the RDA for vitamin C.
Kohlrabi is high in vitamin C and a good source of both fiber and potassium. This nutrient-dense bulb also contains high amounts of phosphorus, magnesium, calcium and iron. Mostly eaten raw, used in smooth purees as a complimentary ingredient in butter, gives rich flavours when cooked.