2024-11-22
Titanium Dioxide and its Questionable Safety in Nutritional Supplements
Titanium dioxide, a common non-active ingredient in many dietary supplements, is used as a white colorant and color enhancer. In the United States, titanium dioxide has Generally Regarded as Safe (GRAS) status. However, titanium oxide was recently removed from Europe’s safe ingredient list and is now listed as “unsafe.” This change in status will be discussed below; but first, let’s examine what titanium dioxide is, where it is used, and why its safety has recently been called into question.