"The vitamin D in your milk ... is almost surely a derivative -- after many chemical stages -- from lanolin from Australian sheep wool, concocted in a factory in China. ... Vitamin A, is often synthesized from acetone, a principal ingredient in nail polish remover," notes George Kenney based on his interview with Melanie Warner, a former writer for the New York Times.
You might use nanotechnology in the sunscreens you squirt or lather on your kids. You might lick your lips and taste it in your favorite lip-gloss. You might even eat it in your Jell-O pudding. But is it safe?