Ingredient

Gasseri

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Source
Not animal-derived
Allergen
No
Role in food
L. gasseri is added to foods as a probiotic to potentially support gut health. …

What it is

Lactobacillus gasseri is a type of bacteria that naturally lives in the human gut and vagina. It is a probiotic, meaning it is a live microorganism that, when administered in adequate amounts, confers a health benefit on the host. It is commonly grown in labs for use in supplements and foods.

Why it's used

L. gasseri is added to foods as a probiotic to potentially support gut health. It is often found in fermented dairy products like yogurt, as well as non-dairy alternatives and frozen desserts.

Health notes

L. gasseri is generally recognized as safe (GRAS) by the FDA for use in food. Probiotics like L. gasseri are being studied for their potential roles in digestive health and immune function. Research is ongoing, and effects can vary among individuals. JECFA has evaluated probiotics, but does not set numeric limits for them.

Allergen info

Lactobacillus gasseri is not a major allergen. It is a bacterium and does not contain gluten.

Products containing Gasseri

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Last updated: September 28, 2026

Note: This site presents label data from USDA FoodData Central for general information. It is not medical advice. Check the package label; formulations change.