Spinach has one of the highest concentrations of Vitamin K; they are also an excellent source of Vitamin A, Vitamin B9 (folate), and Manganese. Spinach is used to treat stomach and intestinal complaints, and fatigue. It is also a blood-builder and an appetite stimulant. It may reduce oxidative stress, promote eye health, fight cancer, and regulate blood pressure. Besides, it can also be used for promoting growth in children and recovery from illness. Fresh, raw spinach leaves can be added to salads or sauteed before consumption. Make it into juice or blend into a smoothie for a nutritional drink.