An optimum source for antioxidant protection that will boost your immune system's health and vitality, organic spirulina ranks as one of nature's most powerful "superfoods." At over 60% protein, spirulina is the most potent and digestible source of vegetarian protein! This family member of blue-green algae packs in a whole lot of antioxidant and phytonutrient nutrition along with high amounts of beta-carotene, essential amino acids, minerals, B vitamins and chlorophyll. Spirulina is also rich in gamma-linolenic acid (GLA).