Gourmetceuticals LLC offers PPL-240. It is an antioxidant that has been clinically proven to protect cells against the damaging effects of free radicals, thereby providing protection against certain illnesses, according to the company. The antioxidant is derived from a South American fern and once cultivated, is processed into PPL-240. FDA approved for both human and animal consumption, PPL-240 is a nutraceutical and functional food component available in a highly stable, water soluble powder that can easily be added to petfood products.