Nutritional value of Spinach Spinach is an excellent source of vitamin K, vitamin A (in the form of carotenoids), manganese, folate, copper, vitamin B2, vitamin B6, vitamin E, calcium, and vitamin C. Manganese (84 percent) Folate (65.7 percent) Magnesium (35.1 percent) Iron (35.7 percent) Copper (34.4 percent) Vitamin B2 (32.3 percent) Vitamin B6 (25.8 percent) Vitamin E (24.9 percent) Vitamin K (24 percent) Health benefits of Spinach.
