Is indigo safe to consume? Separating fact from dye
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4 min read
Food and safety authorities in many regions, including the U.S. and Europe, have approved the synthetic dye indigo carmine (FD&C Blue No. 2) for limited use in food products. This fact, however, does not mean all forms of indigo are safe to consume, begging the question: Is indigo safe to consume? The answer is nuanced, depending on the source, processing, and intended use of the substance.
