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Methylmethionine
Methylmethionine
Low concern
Naturally occurring amino acid derivative widely consumed in vegetables; no significant safety concerns at dietary levels.
Found in
2 products
What it is
S-methylmethionine (SMM, sometimes called 'vitamin U'), a sulfonium derivative of methionine found naturally in cabbage and other plants.
Naturally occurring; sometimes used in dietary supplements.
What regulators actually say
"S-methylmethionine is a sulfonium compound found in many plants including cabbage and is consumed as part of a normal diet."
Regulatory status
United States — FDA
Naturally present in foods; no specific food additive approval
European Union — EFSA
Naturally present in foods
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