Sunflower microgreens are considered a nutrient-dense superfood because they are packed with essential vitamins, minerals, and bioactive compounds that support heart health, digestion, and immune function. Protein & Healthy Fats: Unlike many other greens, they are a good source of plant-based protein and contain beneficial fats like oleic acid. Vitamins: A, C, E, and K, as well as B vitamins. Minerals: significant amounts of calcium, magnesium, iron, potassium, and phosphorus.