Propionibacterium Freudenreichii

Propionibacterium freudenreichii is a type of bacteria that is naturally found in the human gut and on skin. It is commonly used as a starter culture in the production of Swiss-type cheeses, where it contributes to the characteristic holes and nutty flavor. It can also be grown in fermentation tanks for use as a probiotic supplement.

This bacterium is primarily used as a probiotic ingredient, often added to dairy products like yogurt and cheese, or found in dietary supplements. It is valued for its potential to support gut health. Manufacturers may also use it to enhance the flavor profile of certain fermented foods.

Propionibacterium freudenreichii is generally recognized as safe (GRAS) by the FDA for use in food. It is considered a beneficial probiotic, and research suggests it may play a role in gut health. International bodies like EFSA have evaluated probiotics, but specific evaluations of this strain's safety at typical consumption levels are not always publicly detailed. Evidence for specific health benefits is still an active area of research.