Investing.com -- The U.S. Food and Drug Administration has approved gardenia (genipin) blue for use in various foods, marking the fourth natural color additive approved in the last two months.

The change comes in the wake of a study that showed an ingredient caused cancer in lab rats. Kraft Heinz announces sweeping ...

Artificial food dyes are everywhere: in Cheetos, Jolly Ranchers, applesauce, pickles, spinach wraps, ice cream, even Tylenol.