100% Natural & Non-GMO USDA Organic Kosher Dietary Supplement Certified Organic by Oregon Tilth Spirulina is a fresh water blue-green algae that delivers one of the most complete nutrient profiles found in nature. Spirulina has been used by ancient cultures in South America and Africa for its dense nutrient content and healing properties. Healthy Origins Parry Organic Spirulina naturally contains over 60% protein and is a great source of many important phytonutrients and minerals such as carotenoids, essential fatty acids, iron, magnesium, calcium and selenium.