Os!) The patents explain that the oil is ""extracted readily with an effective amount of solvent ... a preferred solvent is hexane.""<br /><br />The patent for Life'sARA states: ""genetically-engineering microorganisms to produce increased amounts of arachidonic acid"" and ""extraction with solvents such as ... hexane."" Martek has many other patents for DHA and ARA. All of them include GMOs. GMOs and volatile synthetic solvents like hexane aren't allowed in USDA Organic products and ingredients