They are currently approved by the U.S. Food and Drug Administration for use as a food supplement; however, there is some concern that they may block absorption not only of cholesterol, but of other important nutrients as well.
他们也被美国食品药品监督管理局所认可，可以被作为食品添加剂使用；然而，也有人担心他们可能不仅仅阻断胆固醇的吸收，同时也可能会阻断其他重要营养物质的吸收。