Bottom Line

Kale is extremely high in vitamin C, an antioxidant that has many important roles in the body. A single cup of raw kale actually contains more vitamin C than an orange. Researchers can now identify over 45 different flavonoids in kale. With kaempferol and quercetin heading the list, kales flavonoids combine both antioxidant and anti inflammatory benefits in way that gives kale a leading dietary role with respect to avoidance of chronic inflammation and oxidative stress.