Spirulina (Arthrospira platensis) is a superfood that has been used for centuries by indigenous cultures of both Central America and parts of Africa. The beautiful blue-green algae in Source Naturals SPIRULINA is a source of vegan protein and contains naturally occurring nutrients that support a healthy immune system and provide antioxidant defense. Source Naturals SPIRULINA is non-GMO validated and suitable for vegans, making it a great option for anyone looking to supplement their vegetarian or vegan wellness with a plant-based approach.*