Spirulina is a nutrient-dense blue-green algae, thriving in both fresh and saltwater. A powerful source of protein, it provides all essential amino acids and boasts impressive amounts of vitamins and minerals. Just one tablespoon (7 grams) delivers: Additionally, Spirulina is rich in calcium (26 times more than milk), iron (5100% more than spinach), magnesium, potassium, and manganese. It offers a favorable omega-3 to omega-6 ratio, with a small amount of fat. Ideal for enhancing overall nutrition and energy levels. Powerful Antioxidant: A powerful source of anti-oxidant that protects against oxidative damage. Active component found called phycocyanin which works as an antioxidant.