5 Best Veggies For Smoothies That Actually Taste Good, From An RD

Without affecting the flavor, adding spinach provides a good dose of phytonutrients, antioxidants, and prebiotic fiber—notably, beta-carotene, vitamins A and K, and lutein. It’s also a great plant-based source of iron, magnesium, and folate. Beyond just green smoothies, spinach blends seamlessly into any of your go-to healthy smoothie recipes.