Only about 10 calories each, Brussels Sprouts are low in fat and sodium, high in dietary fiber and are cholesterol-free. They also contain high levels of naturally occurring vitamin C and specific health-promoting compounds called glucosinolates with antioxidant properties, and proven health benefits in the area of cancer prevention. Brussels Sprouts have three times the level of vitamin C of an orange. Unlike most vegetables, Brussels Sprouts are rather high in protein, accounting for more than a quarter of their calories. Four-to-six sprouts contain the adult daily requirements for vitamin C. They’re also an excellent source of vitamin D and folic acid during pregnancy. Brussels Sprouts are best quickly steamed to preserve nutritional values and avoid releasing sulfur smells caused by excess cooking.