100% Natural & Non-GMO USDA Kosher Dietary Supplement Certified by QAI 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 Spirulina naturally contains over 60% protein and is a source of many important phytopigments, amino acids, fatty acids, minerals, and vitamins.