Probiotic
Lactobacillus plantarum
Also known as: L. plantarum, L. plantarum 299v, LP299v
Versatile probiotic with gut barrier support and anti-inflammatory effects. Found in fermented vegetables.
Primary uses
- Gut barrier
- IBS support
- Inflammation
- Gut health
How it works
- Strengthens tight junctions
- Anti-inflammatory cytokine production
- Survives stomach acid well
Dosage
- Typical range
- 5-20 billion CFU daily
- Timing
- Any time
- With food
- Either way
- Duration
- Safe long-term
- Special populations
- IBS, leaky gut concerns
Forms
- Capsules
- Foods
Safety
Common side effects
- Minimal
Contraindications
- Severe immunocompromise
Products containing Lactobacillus plantarum
Top-scoring supplements in our catalog that list Lactobacillus plantarum on the label. Each product is graded on Formulate's ingredient-level rubric — dose accuracy, form, transparency, and third-party testing.
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Evidence notes
Strong gut barrier support
Grade B: Some human trials support key claims; further confirmation needed.
Cited research for Lactobacillus plantarum
Clinical studies referenced across Formulate guides that mention lactobacillus plantarum. Each links to the full study page with PubMed source + the guides that cite it.
- Ford et al. (2014)American Journal of Gastroenterology
Efficacy of prebiotics, probiotics, and synbiotics in irritable bowel syndrome and chronic idiopathic constipation: systematic review and meta-analysis
- Ducrotté et al. (2012)World Journal of Gastroenterology
Clinical trial: Lactobacillus plantarum 299v (DSM 9843) improves symptoms of irritable bowel syndrome
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