One of the oldest artificial sweeteners, around 300–400 times sweeter than sugar with zero calories. Found in diet drinks, chewing gum, table-top sweeteners, and surprisingly in mustard, sauces, and pickled products. It often appears alongside other sweeteners to mask its metallic aftertaste. For decades it carried a cancer warning after rat studies, but IARC and FDA later concluded it is not classifiable as a human carcinogen. EFSA considers it safe within the accepted daily intake of 5 mg per kg of body weight. Some people are sensitive to it and report a bitter or metallic taste.
This additive is authorised to be used in the following 33 food categories:
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