Jicama provides a good source for vitamin C, containing 27% of the daily recommended value. Vitamin C has been linked to good bone health and immune system strength. There are many other vitamins found in jicama, including thiamin, riboflavin, niacin, vitamin B5, vitamin B6, folate, and choline. This mineral-rich root also contains calcium, iron, magnesium, manganese, phosphorus, potassium, and zinc.  Jicama has virtually no fat, zero sodium, and is high in dietary fiber.