Ingredient

Reuteri

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Source

Not animal-derived

Allergen

Role in food

L. reuteri is added to foods as a probiotic to potentially support digestive health. …

What it is

Lacticaseibacillus reuteri (formerly Lactobacillus reuteri) is a type of bacteria that lives in the digestive tracts of humans and animals. 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 often grown in a lab for use in supplements and foods.

Why it's used

L. reuteri is added to foods as a probiotic to potentially support digestive health. It is commonly found in fermented dairy products like yogurt and kefir, as well as in some non-dairy frozen desserts and beverages.

Health notes

L. reuteri is generally recognized as safe (GRAS) by the FDA for use in certain foods. Research suggests that some strains of L. reuteri may help with digestive issues, but evidence is mixed and more studies are needed. The World Health Organization (WHO) has provided guidelines on the evaluation and use of probiotics. JECFA has evaluated some probiotic bacteria.

Allergen info

L. reuteri is not derived from any of the nine FDA major allergens. It does not contain gluten.

Products containing Reuteri

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Lovebiotics LLC Non-Dairy Cookie Dough Probiotic Coconut Gelato, Cookie Dough Other Frozen Desserts High in saturated fat — 75% DV per serving High in added sugars — 28% DV per serving 240kcal 3Protein 20Fat 22Carbs Lovebiotics LLC Vanilla Recipe Non-Dairy Probiotic Coconut Gelato, Vanilla Recipe Ice Cream & Frozen Yogurt High in saturated fat — 75% DV per serving High in added sugars — 38% DV per serving 225kcal 0.9Protein 14.4Fat 23.4Carbs Lifeway Foods Inc. Raspberry Kefir Cultured Lowfat Milk Smoothie, Raspberry Yogurt 58kcal 4.6Protein 0.8Fat 8.3Carbs Lyco Enterprises, Inc. Mango Cream Probiotic Coconut Yogurt, Mango Cream Yogurt High in saturated fat — 20% DV per serving 214kcal 3.6Protein 17.9Fat 10.7Carbs Lyco Enterprises, Inc. Original Probiotic Coconut Yogurt, Original Yogurt High in saturated fat — 25% DV per serving 250kcal 3.6Protein 21.4Fat 10.7Carbs Lyco Enterprises, Inc. Coconut Cream Probiotic Coconut Yogurt, Coconut Cream Yogurt High in saturated fat — 22% DV per serving 214kcal 3.6Protein 16.1Fat 14.3Carbs Lifeway Foods Inc. Pomegranate Kefir Cultured Lowfat Milk Smoothie, Pomegranate Yogurt 58kcal 4.6Protein 0.8Fat 8.3Carbs Wegmans Food Markets, Inc. Blueberry Flavored Probiotic Kefir Cultured Lowfat Milk Smoothie, Blueberry Yogurt 59kcal 4.7Protein 0.8Fat 8.5Carbs Wegmans Food Markets, Inc. Black Cherry Flavored Probiotic Kefir Cultured Lowfat Milk Smoothie, Black Cherry Yogurt 59kcal 4.7Protein 0.8Fat 8.5Carbs Wegmans Food Markets, Inc. Strawberry Flavored Probiotic Kefir Cultured Lowfat Milk Smoothie, Strawberry Yogurt 59kcal 4.7Protein 0.8Fat 8.5Carbs

Wakefern Food Corporation Specialty, Plain Probiotic Kefir, Plain Milk 46kcal 4.6Protein 0.8Fat 5Carbs

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.