Flax Boost is pressed from certified organic seed of the flax plant Linum usitatissimum (Linseed) and Starflower Seed, Evening Primrose. Uncertified blackcurrant seed oil is added. The oil is high quality, extra virgin, unrefined, containing no toxic substances or cholesterol. The oils are cold pressed in the absence of light, air and reactive metals and packaged in black HDPE plastic to further protect it against light damage.