PlainPill

L. Reuteri

People mainly take L. Reuteri for longevity, sleep, digestion. Based on 10 first-hand reports and 45 meta-analyses & systematic reviews in the medical literature. Ranked #1068 of 3,539 overall.

23
User score
Mostly positive
30% positive10% mixed0% negative60% unclear

Of reports that state an outcome, 75% are positive.

Clinical research
AStrong research base
45
meta-analyses
194
RCTs
1,851
papers

What L. Reuteri does, according to users

Of the people who reported each effect, the share who said it got better.

What the research says

Systematic reviews and meta-analyses from PubMed, with their published conclusions.

AStrong research base

3+ meta-analyses or systematic reviews and 10+ randomized controlled trials in humans. The grade measures how much human research exists — read the conclusions below for what it found.

Nutrients · 2021 · Meta-analysis / systematic review
Are Probiotics and Prebiotics Safe for Use during Pregnancy and Lactation? A Systematic Review and Meta-Analysis

Conclusion: Adverse effects associated with probiotic and prebiotic use do not pose any serious health concerns to mother or infant. Our findings and knowledge translation visualisations provide healthcare professionals and consumers with information to make evidence-informed decisions about the use of pre- and probiotics.

PubMed 34371892 ↗

Dosage people report

As stated by users — not a recommendation. Follow the label or your doctor.

No doses stated in the reports so far.

Reported side effects

How often each side effect came up across all reports.

No side effects reported so far.

What users say

First-hand experiences, quoted verbatim. We show one positive and one negative where both exist.

“L. Reuteri did that to me. Deep rem sleep. Waking up with no bloating, feeling leaner and refreshed.”
HelpedRead the discussion ↗
“I am LOVING l reuteri spp. and a branded probiotic I don't think i can say; new and it ups dopamine but it's expensive.”
HelpedRead the discussion ↗
“I've just started L.Reuteri tablets to raise Oxytocin level which seems to be having a good effect”
HelpedRead the discussion ↗
Top discussions (5)

Other options for longevity

User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 3, 2026. How we rate