Supplements / Conditional
Lactobacillus reuteri DSM 17938
Best for: Gut support, Immune support
Lactobacillus reuteri DSM 17938 is rated good evidence (tier B on our evidence scale). 100 million–1 billion CFU daily. Morning.
Sources last reviewed
When and how to take Lactobacillus reuteri DSM 17938
- Dose
- 100 million–1 billion CFU daily.
- Timing
- Morning.
- Review
- Reassess after 4 to 8 weeks.
- Forms
- l. reuteri dsm 17938
What Lactobacillus reuteri DSM 17938 is used for
- Strongest data in infant colic; adult evidence covers H. pylori adjunct and oral health.
- Strain-specific; generic 'L. reuteri' is not equivalent.
- Some L. reuteri strains can raise gut histamine; if you are exploring a possible histamine pattern, prefer a named histamine-neutral strain and review with a clinician. (Note the effect is strain-dependent, and L. reuteri histamine can be anti-inflammatory in some contexts — hence review, not avoidance.)
What to look for when buying Lactobacillus reuteri DSM 17938
- Preferred third-party verification: Third-party tested (COA).
- Common contamination risks: Mislabeling / identity, Microbial contamination.
- Identity: Strain-specific (DSM 17938).
Where to get it
We’re building a curated list of third-party-tested products for Lactobacillus reuteri DSM 17938. Each one will meet our quality bar (preferred certifications, contamination screens) and carry an explicit affiliate disclosure.
Your experience
If you’ve tried Lactobacillus reuteri DSM 17938, you can log how it went. This stays on your device — only you see it.
We frame these as personal experience, not medical claims. Self-reported subjective outcomes are influenced by placebo, regression to the mean, and parallel lifestyle changes. We’ll never present ratings as equivalent to RCT evidence.
Research sources for Lactobacillus reuteri DSM 17938
- L. reuteri DSM 17938 clinical evidence (reviewed 2026-04-30)
Related supplements
Almavivo is for education only, not medical advice. Check with a doctor or pharmacist before starting a supplement, especially if you take prescription medicine, are pregnant or breastfeeding, or have a long-term health condition.