Boost your health with Nutrex Hawaii's Pure Hawaiian Spirulina. Spirulina is a natural superfood derived from blue-green algae. It supports immune, heart and cell health and provides a wide range of other health benefits. Vegan spirulina powder delivers 3g spirulina (Arthrospira platensis) per 1-teaspoon serving. Spirulina naturally contains vitamins and minerals, complete protein, and cleansing chlorophyll. Grown and harvested off the Kona Coast of Hawaii.