Lactobacillus reuteri

Lactobacillus reuteri is a probiotic strain that supports vaginal health, bone mineral density in post-menopausal women, testosterone levels in men, and reduces infant colic.

vaginal-healthbone-healthgut-healthwomens-healthimmune-support

Evidence last reviewed: 20 Apr 2026

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Evidence

3 records

Infant colic reduction

Infants with colic • Systematic review

PUBMEDModerate

Probiotics, including Lactobacillus reuteri, resulted in a significant reduction in crying time for infants with colic.

Dose: —

Citation: Simonson et al. (2020). Probiotics for the Management of Infantile Colic: A Systematic Review.

Vaginal microbiota improvement

Pregnant women • RCT

PUBMEDModerate

Lactobacillus reuteri RC-14 improved vaginal microbiota and cytokine profiles in pregnant women.

Dose: —Form: RC-14

Citation: Yang et al. (2020). Effect of Oral Probiotic Lactobacillus rhamnosus GR-1 and Lactobacillus reuteri RC-14 on the Vaginal Microbiota, Cytokines and Chemokines in Pregnant Women.

Reduction in Helicobacter pylori infection

Adults with Helicobacter pylori infection • RCT

PUBMEDModerate

Lactobacillus reuteri DSM 17648 was effective as an adjunct treatment for reducing Helicobacter pylori infection.

Dose: —Form: DSM 17648

Citation: Ismail et al. (2023). Probiotic containing Lactobacillus reuteri DSM 17648 as an adjunct treatment for Helicobacter pylori infection: A randomized, double-blind, placebo-controlled trial.

Forms

Capsule

Commonly used for general probiotic supplementation.

Powder

Can be mixed with food or drinks for easier consumption.

Chewable Tablet

Convenient form for children or those who prefer not to swallow capsules.

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