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Xanthine
Xanthine
Low concern
Xanthine itself is a natural metabolite present at low levels in foods. Its methylated derivatives (caffeine, theobromine) are the bioactive forms.
Found in
7 products
What it is
A purine base, the precursor to caffeine, theobromine, and uric acid; occurs naturally in coffee/tea.
Naturally occurring metabolite; used in cosmetics and pharmaceuticals (e.g., theophylline derivatives).
Why it's flagged
- xanthine derivative (methylxanthine) effects when consumed at high levels
What regulators actually say
"Caffeine, an example of methylxanthine, is GRAS for use as a food constituent."
Regulatory status
United States — FDA
Naturally occurring food constituent; specific derivatives like caffeine regulated under 21 CFR 182.1180.
European Union — EFSA
Naturally occurring food constituent.
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