Source Naturals, Inc. Organic Spirulina 500mg Powder 8 oz Powder

What the brand says

Source Naturals Organic Spirulina, a complete vegetarian protein and source of healthy essential fatty acids, is cultivated under strict USDA Organic regulations, improving purity and potency. Spirulina, a blue-green algae used for centuries by indigenous cultures of both Central America and East Africa, is rich in amino acids, carotenoids, chlorophyll, minerals, and vitamins that in combination, support the immune system, provide antioxidant defense and promote healthy circulation.