Mustard greens are an excellent source of vitamins including vitamin A, vitamin C, folate, and vitamin E. They are also an excellent source of the mineral manganese. In addition, mustard greens are an excellent source of dietary fiber.
One of the unique features of mustard greens is that they are an excellent source of three notable antioxidants: vitamin E, vitamin C and vitamin A. Together these antioxidants team up to scavenge free radicals.
Mustard greens may offer great benefit to individuals with conditions ranging from asthma, arthritis, colds, depression, heart disease as well as menopausal symptoms.
Mustard greens contain goitrogens which can interfere with the functioning of the thyroid gland. Individuals with already existing and untreated thyroid problems may want to avoid mustard greens for this reason.