Natural dyes may be less stable than synthetic dyes and may be affected by factors including heat and acid levels. The best way to avoid harmful dyes is to read ingredient labels, said Dr. L.

Natural dyes may be less stable than synthetic dyes and may be affected by factors including heat and acid levels. “It’s not impossible to replace, but there’s not a single solution,” she ...

An curved arrow pointing right. Cochineals are tiny bugs that live on prickly pear cactuses. The acid in their guts makes a red dye used in textiles, cosmetics, and foods like M&Ms and Yoplait yogurt.

Natural dyes may be less stable than synthetic dyes and may be affected by factors including heat and acid levels. “It’s not impossible to replace, but there’s not a single solution,” she ...

Natural dyes may be less stable than synthetic dyes and may be affected by factors including heat and acid levels. Because the dyes are so widely used, it can be difficult to find foods that don ...