3. It Is an Excellent Source of Vitamin C
Vitamin C is an important water-soluble antioxidant that serves many vital functions in the body’s cells. For example, it is necessary for the synthesis of collagen, the most abundant structural protein in the body.
Kale is much higher in vitamin C than most other vegetables, containing about 4.5 times much as spinach. The truth is, kale is actually one of the world’s best sources of vitamin C. A cup of raw kale contains even more vitamin C than a whole orange.
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.