Lactobacillus plantarum
Probiotic
Also known as: L. plantarum, L. plantarum 299v, LP299v
B
Grade B💊 5-20 billion CFU daily🎯 4 primary uses🔗 2 synergies⚠️ Review warnings
Levels upNutrition+50 pts
Overview
Versatile probiotic with gut barrier support and anti-inflammatory effects. Found in fermented vegetables.
Primary Uses
Gut barrierIBS supportInflammationGut health
Frequently Asked About Lactobacillus plantarum
How much Lactobacillus plantarum should I take?
The typical effective range is 5-20 billion CFU daily. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Lactobacillus plantarum?
Any time. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Lactobacillus plantarum with food?
Either way.
Does Lactobacillus plantarum interact with medications?
Yes — known interactions include Standard probiotic. If you take any prescription medication, talk to your doctor or pharmacist before starting Lactobacillus plantarum.
What does Lactobacillus plantarum pair well with?
Lactobacillus plantarum stacks well with L-glutamine and Zinc carnosine — these combinations either improve absorption or work synergistically toward common goals.
Who should not take Lactobacillus plantarum?
Lactobacillus plantarum should be avoided or used with caution by people with Severe immunocompromise. Pregnant or breastfeeding women should consult a healthcare provider before use.
What are the side effects of Lactobacillus plantarum?
Most people tolerate Lactobacillus plantarum well. The most commonly reported side effects are Minimal. Side effects are usually dose-dependent — lowering the dose often resolves them.
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
Research & Studies
Search the literature now
We haven’t curated landmark studies for Lactobacillus plantarumyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Search Lactobacillus plantarum research
Mechanism of Action
- • Strengthens tight junctions
- • Anti-inflammatory cytokine production
- • Survives stomach acid well
Evidence Quality
Evidence Grade B
Strong gut barrier support
Safety & Contraindications
Serious Warnings
- • Standard probiotic cautions
Contraindications
- • Severe immunocompromise
Common Side Effects
- • Minimal
Pregnancy & Breastfeeding
Consult healthcare provider
Liver & Kidney Notes
Safe
Interactions
💊 Medications
- • Standard probiotic
🧪 Supplements
- • Works with L-glutamine
🍽️ Food & Alcohol
- • No interactions
Stacking & Synergies
Pairs Well With
Avoid Combining With
None
Best Goal Synergies
Gut barrierIBS
Buying Guide
What to Look For
- • Specific strain
Standardization Markers
CFU countStrain ID
Adulteration risk
Low
Practical Notes
- • Good for gut barrier support
- • Survives stomach acid well
Tags
probioticgut healthbarrier function
Top Products with Lactobacillus plantarum
Highest-scored catalog products containing Lactobacillus plantarum, ranked by our scoring engine.
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Related Guides
In-depth guides covering Lactobacillus plantarum — protocols, comparisons, and use cases.
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Hardy probiotic strain with strong immune-enhancing effects. Survives transit well and supports regularity.
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A well-researched probiotic strain supporting digestive health, immune function, and overall gut microbiome balance.
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Foundational probiotic strain for vaginal and gut health. One of the most studied probiotic species.
Last reviewed: September 2026 by the Formulate Research Team. Sources cited above; methodology and scoring criteria published here.
Cite this page
Formulate Research Team. (2026, September). Lactobacillus plantarum — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/lactobacillus-plantarum
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.