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Lactobacillus Plantarum L-137 Probiotic May Help Alleviate Periodontitis

A recent study suggests that consuming heat-killed capsules of the probiotic Lactobacillus plantarum L-137 may reduce probing depth in people with periodontal disease. Probing depth is a measure of current severity of periodontitis, a gum infection.


Participants in the study included 39 people who were currently in supportive periodontal therapy. They were given either a supplement containing 10 mg of L-137 or a placebo daily for 12 weeks.


At the conclusion of the study, both groups had significantly reduced bleeding on probing but only the L-137 group had significantly greater probing depth reduction at teeth with probing depths of at least 4 mm at the beginning of the study.


Researchers from Japan conducted the study. It was published in the May 2016 issue of Oral Health & Preventive Dentistry.


Lactobacillus plantarum L-137 is a type of probiotic that is isolated from fermented foods. While probiotics are most commonly linked to improving digestion and gut health, they have also been shown to have other health benefits, including a stronger immune system, and a reduced risk of chronic disease.

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