Ingredient

Rhamnosus Lgg

Source
Not animal-derived
Allergen
No
Role in food
LGG is added to foods as a live probiotic culture to support gut health. …

What is Rhamnosus Lgg?

Lactobacillus rhamnosus GG (LGG) is a specific strain of probiotic bacteria. It is a single-celled microorganism that occurs naturally in the human gut. It is typically grown in a laboratory through fermentation processes.

Is Rhamnosus Lgg vegan?

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

Is Rhamnosus Lgg gluten-free?

It does not contain gluten.

Is Rhamnosus Lgg a major allergen?

Lactobacillus rhamnosus GG is not a major allergen.

What is Rhamnosus Lgg used for?

LGG is added to foods as a live probiotic culture to support gut health.

Is Rhamnosus Lgg safe?

Lactobacillus rhamnosus GG is generally recognized as safe (GRAS) by the FDA for use in foods.

Why it's used

LGG is added to foods as a live probiotic culture to support gut health. It is often found in fermented dairy products like yogurt and kefir, as well as some cereals and dietary supplements. Manufacturers use it to enhance the health benefits of these products.

Health notes

Lactobacillus rhamnosus GG is generally recognized as safe (GRAS) by the FDA for use in foods. It is a well-researched probiotic strain, and studies suggest it may help support digestive health. International bodies like EFSA have also evaluated probiotics, but specific evaluations for LGG's safety and efficacy in food are ongoing. While generally considered safe, individual responses can vary.

Allergen info

Lactobacillus rhamnosus GG is not a major allergen. It does not contain gluten.

Foods that contain Rhamnosus Lgg

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Last updated: October 5, 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.