Spirulina is rich in (GLA) gamma-linolenic acid, an important Omega 6 fatty acid which is also found commonly in Evening Primrose Oil and Borage Oil. Lifestream Spirulina also contains the co-factors zinc and vitamins B6 and B3 that are required for the conversion of GLA into the beneficial prostaglandins in the body. Spirulina contains vitamins B1 and B2 and important minerals including Iron, Calcium, Zinc and Chromium and Iodine.