While the U.S. government has not set a limit for cadmium in foods or health products, the state of California has established a maximum allowable daily level of oral cadmium exposure of 4.1 µg, and requires products containing more than this amount per daily serving to bear a warning on the label.
尽管美国政府并没有为食品或保健品的镉的限制，加利福尼亚州已经建立了口腔镉暴露的最大允许日线级别4.1微克，并且要求产品包含超过每提供每日承受的标签上的警告此金额。