The original vitamin solution enhanced with kelp. May add to any fertilizing program. www.SUPERthrive.com; www.aapfco.org/metals.html. Phone: 800/441-8482 / International: 818/764-1523. Information regarding the contents and levels of metals in this product is available on the internet at: www.aapfco.org/metals.html Worlds fair 1940 San Francisco Highest award. Awards to Vitamin Institute for use for the greatest public benefit of scientific Advances of the Last decade. Science and Industry exhibit. Science & Industry Golden Gate International Exposition. Made in the USA.