Pure Naturally occurring GLA & Chlorophyll Spirulina has the highest protein level of all green superfoods and also has naturally occurring GLA (gamma linolenic acid), a popular fatty acid with numerous health benefits. In addition, it is has naturally occurring vitamins, minerals, trace elements, cell salts, amino acids and enzymes. NOW® Spirulina delivers the natural nutrient profile found in genuine whole foods. This product is sold by weight not volume. Natural color variation may occur in this product.