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E300AntioxidantLow concern
Ascorbic Acid
In plain words
The short version
Vitamin C — used as a strong water-soluble antioxidant in foods and beverages.
Why it's green
It's widely considered safe at the amounts used in food, so we mark it green. The Safety section below has the details.
Safety profile
Essential nutrient with no ADI required by JECFA. Very high doses (above 2 g/day) can cause GI upset and may increase kidney stone risk in susceptible individuals.
The detail
Educational information only. Not medical or dietary advice.