Ingredient

Acidophilus And L

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Source
Not animal-derived
Allergen
No
Role in food
Acidophilus is most often added to dairy products like yogurt and kefir, as well …

What it is

Acidophilus is a strain of the bacteria Lactobacillus acidophilus. It is a type of probiotic, which means it is a live microorganism that can provide health benefits when consumed in adequate amounts. It is naturally found in the human gut and is also present in fermented foods.

Why it's used

Acidophilus is most often added to dairy products like yogurt and kefir, as well as some dietary supplements. Manufacturers add it to foods to increase their probiotic content, which is often marketed as a benefit for digestive health. It can also contribute to the fermentation process in some foods.

Health notes

Lactobacillus acidophilus is generally recognized as safe (GRAS) by the FDA for use in food. It is widely studied for its potential role in supporting gut health and the immune system. While many studies suggest benefits, the scientific evidence is still developing, and results can vary. International bodies like EFSA have also evaluated probiotics, but specific regulatory conclusions for individual strains can differ.

Allergen info

Acidophilus is a bacterium and is not derived from any of the nine FDA major allergens. It does not contain gluten.

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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.