Evidence supporting the use of: Lactobacillus (various species)
For the body system: Rectum

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Table of Contents

Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Lactobacillus (various species) have been studied for their potential benefits in supporting rectal and overall colorectal health, particularly through the modulation of the gut microbiota. Scientific evidence suggests that supplementation with certain Lactobacillus strains can help restore the balance of beneficial bacteria in the colon and rectum, which may be disrupted by antibiotic use, gastrointestinal infections, or inflammatory bowel diseases. This microbial balance is important for maintaining the integrity of the mucosal barrier and reducing inflammation.

Several clinical trials and meta-analyses have shown that probiotics containing Lactobacillus species may reduce the incidence and severity of antibiotic-associated diarrhea, which can directly impact rectal health by preventing irritation and inflammation. There is also emerging evidence that some strains may be helpful in managing symptoms of ulcerative colitis and preventing recurrence of pouchitis, which directly affect the rectum. However, the effects tend to be strain-specific and not all Lactobacillus strains have demonstrated efficacy for these indications.

While there is a growing body of evidence supporting the role of Lactobacillus in maintaining lower gastrointestinal health, including the rectum, the overall strength and consistency of the evidence is moderate. More high-quality, strain-specific studies are needed to fully establish their benefits for rectal support, but current data justify their use for maintaining rectal and colorectal health, especially in the context of managing dysbiosis and inflammation.

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