and Canada. Double X passed ConsumerLab's test, which included testing of selected index elements, their ability to disintegrate in solution per United States Pharmacopeia guidelines, lead contamination threshold set in California Proposition 65, and meeting FDA labeling requirements. Regulatory and safety issues In 1948, the U.S. Food and Drug Administration seized shipments of Nutrilite, then distributed by a California firm, Mytinger & Casselberry Inc. The FDA claimed that a booklet with the product made false claims that it would cure diseases. The distributor brought suit, claiming the seizures were unconstitutional. In 1950, the U.S. Supreme Court ruled that the seizure was constitutional. In 2009, Amway voluntarily recalled three kinds of Nutrilite energy bars due to potential contamination with salmonella after the FDA tracked the peanut butter salmonella outbreak to a Peanut Corporation of America plant, a vendor Amway had used on occasion. References External links From the Ground Up, c.1954 promotional Nutrilite film in the Prelinger Archives hosted at Archive.org Alticor brands Amway brands Dietary supplements Multi-level marketing products Quixtar brands