Lactobacillus rhamnosus GG and Improved Bowel Movement Frequency

Doses used in studies

CFU/day: 6 billion (median 6 billion, IQR 6 billion–6 billion) — 1 study

Time to effect

Median: 4.3 weeks · IQR 4.3 weeks–4.3 weeks · Range 4.3 weeks–4.3 weeks — Reported in 2 of 2 studies

2 of 2 papers

Effects of Lactobacillus rhamnosus GG on early postoperative outcome after pylorus-preserving pancreatoduodenectomy: a randomized trial.
- 2021-01-01
- RCT · n = 20
- European review for medical and pharmacological sciences 25(1)
- - M Folwarski
  - M Dobosz
  - S Małgorzewicz
  - K Skonieczna-Żydecka
  - K Kaźmierczak-Siedlecka
- PubMed: 33506929
- DOI: 10.26355/eurrev_202101_24407
7 Insights on
- Improved Bowel Movement Frequency
- High evidence
- Clinical
The positive effect of L. rhamnosus GG on gastrointestinal tract's motility was observed, including earlier recurrence of postoperative bowel movements (group B: after 3.75 days vs. group A: 2.15 days)
Effect
Beneficial
Effect size
Moderate
Significant
Yes
The effect of probiotic supplementation on perceived stress and bowel function in healthy young adults: evidence from a randomized controlled trial in Makkah.
- 2026-01-06
- Clinical Trial
- Frontiers in nutrition 12
- - Essra A Noorwali
  - Abeer M Aljaadi
  - Wafaa F Abusudah
  - Fatmah A Bakhdar
  - Dania H Bin-Ali
  - Amani Alshinawi
  - Asma Bawazir
  - Raghad A Mutlaq
  - Heba A Maimany
  - Layan A Barnawi
  - Bshayer Murshed
  - Bayan Aljared
  - Firas S Azzeh
- PubMed: 41567324
- DOI: 10.3389/fnut.2025.1717047
4 Insights on
- Improved Bowel Movement Frequency
- Moderate evidence
- Clinical
No between-group differences were found in bowel movement frequency, consistency, or GI symptom improvement.
Effect
Neutral
Effect size
Small
Significant
No
Dose
6 × 10^9 CFU/day

Lactobacillus rhamnosus GG and Improved Bowel Movement Frequency

Effects of Lactobacillus rhamnosus GG on early postoperative outcome after pylorus-preserving pancreatoduodenectomy: a randomized trial.

The effect of probiotic supplementation on perceived stress and bowel function in healthy young adults: evidence from a randomized controlled trial in Makkah.