and Nutrient sources added to food (ANS) published a revised version of the safety assessment of Canthaxanthin, reconfirming the already set ADI. The Food and Drug Administration (FDA) has no "tanning pills" approved for sale in the United States. In spite of this, there are companies that continue to market such products, some of which contain canthaxanthin. The FDA considers such items "adulterated cosmetics" and as a result sent warning letters to the firms citing such products as containing "a color additive that is unsafe within the meaning of section 721(a) of the FD&C Act (FD&C Act, sec. 601(e))." According to the FDA, References Food colorings Carotenoids Cosmetics chemicals Disturbances of human pigmentation Tetraterpenes Cyclohexenes E-number additives