Limosilactobacillus fermentum
Limosilactobacillus fermentum


Limosilactobacillus fermentum is a species of bacteria that is marketed as a probiotic ("good" bacteria).

"Good" bacteria such as L. fermentum might help the body break down food, absorb nutrients, and fight off "bad" organisms that might cause diseases. These bacteria are sometimes added to fermented foods like yogurt and also found in dietary supplements.

L. fermentum is used for many different purposes, but there is no good scientific evidence to support its use.
When taken by mouth: Probiotics similar to Limosilactobacillus fermentum are possibly safe for most people when taken by mouth.

Special Precautions & Warnings:

Pregnancy and breast-feeding: There isn't enough reliable information to know if Limosilactobacillus fermentum is safe to use when pregnant or breast-feeding. Stay on the safe side and avoid use.

Children: There isn't enough reliable information to know if Limosilactobacillus fermentum is safe for children, including very small premature infants.


There is interest in using Limosilactobacillus fermentum for a number of purposes, but there isn't enough reliable information to say whether it might be helpful.
Likely effective Effectiveness definitions
Possibly effective Effectiveness definitions
Likely ineffective Effectiveness definitions
Possibly ineffective Effectiveness definitions
Insufficient evidence Effectiveness definitions

Dosing & administration

There isn't enough reliable information to know what an appropriate dose of Limosilactobacillus fermentum might be. Keep in mind that natural products are not always necessarily safe and dosages can be important. Be sure to follow relevant directions on product labels and consult a healthcare professional before using.

Interactions with pharmaceuticals

Antibiotic drugs

Interaction Rating=Moderate Be cautious with this combination.

Limosilactobacillus fermentum is a type of friendly bacteria. Antibiotics are used to reduce harmful bacteria in the body. Taking antibiotics along with L. fermentum can reduce the effects of L. fermentum. To avoid this interaction, take L. fermentum products at least 2 hours before or after antibiotics.

Interactions with herbs & supplements

There are no known interactions with herbs and supplements.

Interactions with foods

There are no known interactions with foods.
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This monograph was last reviewed on 22/02/2023 11:00:00. Monographs are reviewed and/or updated multiple times per month and at least once per year.
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