probiotic · for irregular digestion
LGG Probiotic
Settles into your gut lining and helps get your bowel back on a regular rhythm.
Say that in clinical terms
LGG colonizes the intestinal mucosa, normalizes gut motility patterns, modulates the enteric nervous system, enhances digestive enzyme secretion, and restores healthy microbiome composition that regulates bowel regularity.
How strong is the research?
2 papers read, 2 supporting.
Who was studied: All 290 participants were children with gut disorders. No adults were tested.
How much to take
daily with meals
10–20 billion_CFU
Take consistently for at least 4-8 weeks. Probiotic effects require ongoing supplementation.
Before you take it
- No Tolerable Upper Intake Level (UL) for LGG or probiotics has been established by NIH ODS or the Institute of Medicine; no supplemental dose ceiling applies.
- Bacteremia risk in immunocompromised and critically ill patients: A retrospective analysis of 22,174 ICU patients (NIH ODS cited) found 6 genome-confirmed Lactobacillus bacteremia cases among 522 LGG recipients versus 2 among 21,652 non-recipients. Additional case reports document endocarditis and abscess formation in transplant and other immunocompromised patients. LGG should be used with caution or avoided in these populations.
- Antibiotic timing: Probiotic viability is reduced by co-administration with antibiotics. NIH ODS guidance is asymmetric: take LGG at least 2 hours before an antibiotic dose, or 4-6 hours after dosing. Starting within 2 days of the first antibiotic dose is recommended for prevention of antibiotic-associated diarrhea.
When to take it
Best taken: empty stomach
What we make of it
Every participant was a child, and the trial measured stomach pain, not bowel habits.
The detail
The paper has three problems together. All the patients were children. What it measured was how often and how badly their stomachs hurt — it contains no data on stool at all. So it cannot support a claim about irregular digestion in adults.