Ingredient

Tolerase L

Source
Not animal-derived
Allergen
No
Role in food
Tolerase L is added to foods as a live bacterial culture, often referred to …

What is Tolerase L?

Tolerase L is a brand name for a specific strain of the bacterium Lactobacillus paracasei. This probiotic bacterium is naturally found in the human gut and is also present in some fermented foods. It is typically produced through industrial fermentation processes.

Is Tolerase L vegan?

Tolerase L is not animal-derived. Products that contain it can still include other animal-derived ingredients, so check the full ingredient list.

Is Tolerase L a major allergen?

Tolerase L is not derived from any of the 14 major allergens that UK law requires to be emphasised on food labels.

What is Tolerase L used for?

Tolerase L is added to foods as a live bacterial culture, often referred to as a probiotic.

Is Tolerase L safe?

Tolerase L is not an authorised food additive in the UK and does not have an E-number.

Why it's used

Tolerase L is added to foods as a live bacterial culture, often referred to as a probiotic. It is commonly found in protein powders and shakes, where it is intended to support gut health. It is not a sweetener, preservative, or emulsifier.

Health notes

Tolerase L is not an authorised food additive in the UK and does not have an E-number. It is sold as a food supplement or ingredient in functional foods. EFSA has evaluated some strains of Lactobacillus paracasei for safety in food, and generally considers them safe when consumed at levels found in foods and supplements. Research into the specific health benefits of probiotic strains is ongoing, and while some studies suggest potential benefits for gut health, evidence can be mixed.

Allergen info

Tolerase L is not derived from any of the 14 major allergens that UK law requires to be emphasised on food labels. Not a major allergen.

Foods that contain Tolerase L

Compare products →
Amazon links are paid links. As an Amazon Associate I earn from qualifying purchases. About these links

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.