Dietary SupplementNon-GMO ValidatedFor over 30 years, spirulina (Arthrospira platensis) has been the premier choice for supplementing a vegetarian diet. Source Naturals Spirulina is of the highest quality available. Preliminary research suggests that spirulina, a blue-green algae, supports the immune and healthy circulation. It is a high-quality protein, which contains all nine essential amino acids.
