Ingredient

L Histidine

Source
Unknown
Not yet classified by editors
Allergen
No
Role in food
L-Histidine is often added to dietary supplements, particularly those aimed at athletes, and is …

What is L Histidine?

L-Histidine is an essential amino acid, meaning the body cannot produce it and it must be obtained from the diet. It is found naturally in protein-rich foods and can also be produced industrially through fermentation processes.

Is L Histidine gluten-free?

Gluten is not applicable.

Is L Histidine a major allergen?

L-Histidine is not one of the 14 major allergens that UK law requires to be emphasised on food labels.

What is L Histidine used for?

L-Histidine is often added to dietary supplements, particularly those aimed at athletes, and is also included in some infant formulas.

Is L Histidine safe?

L-Histidine is not classified as a food additive in the UK and is therefore not listed on the Register of Food Additive Authorisations.

Why it's used

L-Histidine is often added to dietary supplements, particularly those aimed at athletes, and is also included in some infant formulas. Its role in these products is typically as a nutritional supplement, supporting bodily functions.

Health notes

L-Histidine is not classified as a food additive in the UK and is therefore not listed on the Register of Food Additive Authorisations. It is an amino acid naturally present in the diet. The European Food Safety Authority (EFSA) has evaluated amino acids for their use in food supplements. Evidence for specific health benefits or risks from typical dietary intakes of L-Histidine is mixed and requires further research.

Allergen info

L-Histidine is not one of the 14 major allergens that UK law requires to be emphasised on food labels. Gluten is not applicable.

Foods that contain L Histidine

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Auto-generated content. This description was generated automatically and is pending editorial review. Inaccuracies are possible. Found a mistake? Contact us.

Last updated: 17 October 2026

Note: This site presents label data from Open Food Facts for general information. It is not medical advice. Check the package label; formulations change.