Which vegetable is an excellent source of Vitamin K?

Dark green leafy vegetables are known for being an excellent source of Vitamin K due to their high chlorophyll content, which is rich in this essential nutrient. Vitamin K plays a crucial role in various bodily functions, particularly in blood clotting and maintaining bone health. Leafy greens such as kale, spinach, and collard greens are especially high in Vitamin K1, the primary form of Vitamin K found in plant foods.

In contrast, other vegetables listed, such as carrots, potatoes, and tomatoes, do contain various nutrients but are not significant sources of Vitamin K. Carrots, while high in beta-carotene, primarily provide Vitamin A. Potatoes offer carbohydrates and other vitamins like Vitamin C, but they lack substantial amounts of Vitamin K. Tomatoes are rich in antioxidants, particularly lycopene, yet they also do not contribute significantly to Vitamin K intake. Thus, the distinction of dark green leafy vegetables as the best source of Vitamin K is well-supported by nutritional science.