The first type of policy designed to protect consumers is that of requiring truthful disclosure and forbidding the misrepresentation of products of products. The Food and Drug Act of 1906 forbids adulteration and mislabeling of foods and drugs sold in interstate commerce. The act was strengthened to also include cosmetics in 1938. More recent amendments require that drugs and chemical additives to food be proven safe for human use and that her was designed to protect firms against unfair methods of competition based on product misrepresentation, but it also provided significant to consumers. Among the practices that were forbidden by the act were misrepresenting (1) the price of products (such as claiming that prices have been slashed after first artificially raising them, or falsely claiming to be selling at below cost ); (2) the origin of products (such as claiming that the product was manufactured in the United States when in fact it was produced can abroad ); (3) the usefulness of the product (such as claiming, for example, that a product can prevent arthritis when it does not); (4) the quality of the product (such as claiming that glass is crystal). The act was amended by the Wheeler- Lea Act of 1938, which forbids false or deceptive advertisement of foods, drugs, corrective devices, and cosmetics entering interstate commerce. The federal laws have been supplemented by similar state and local laws and regulations. By authority of the 1990 Nutrition Labeling Act, the Food and Drug Administration (FDA) mandated more strict labeling requirements on all foods sold in the united States