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Histidine
Histidine
Low concern
L-histidine is an essential amino acid naturally present in dietary protein. It is permitted as a fortificant in foods and supplements.
Found in
186 products
What it is
L-histidine, an essential amino acid required for protein synthesis and a precursor to histamine.
Nutritional ingredient/fortificant; component of dietary protein.
Why it's flagged
- amino acid imbalance at very high supplemental doses
What regulators actually say
"Amino acids... may be safely used in foods."
"L-Histidine and L-histidine monohydrochloride monohydrate are amino acids essential to humans."
Regulatory status
United States — FDA
Permitted in foods and supplements under 21 CFR 172.320.
European Union — EFSA
Approved as a nutrient source.
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