Lactobacillus brevis is a lactic acid-producing bacterium naturally found in fermented foods such as sauerkraut, pickles, and certain traditional sourdoughs. Research suggests that this species may support oral health by helping to manage levels of bacteria associated with gum inflammation and dental caries, with some clinical studies pointing to modest improvements in markers of periodontal health. Studies also indicate that L. brevis may contribute to gut barrier integrity and play a role in modulating certain immune responses, though much of this evidence comes from preliminary or small-scale trials. Commonly available in probiotic capsule form or consumed through fermented food cultures, L. brevis remains an active area of investigation as researchers work to better understand its specific mechanisms and long-term effects on human health.
Compare this supplementResearch suggests that Lactobacillus brevis may contribute to gut health through several mechanisms, including its ab...
View studies →Research suggests that Lactobacillus brevis may have some capacity to modulate immune function, though the evidence i...
View studies →These are commonly referenced dosage ranges for this supplement. They are not medical recommendations. Always consult a healthcare provider before supplementing.
| Form | Dose range | Frequency | Studied for | Source |
|---|---|---|---|---|
| Capsule | 1–10 billion CFU | Daily | Gut health and gastrointestinal microbiota support | Typical range in probiotic combination studies involving L. brevis strains |
| Capsule | 1–5 billion CFU | Daily | Immune function support and upper respiratory tract health | Observed in clinical studies examining immune modulation with L. brevis |
| Powder | 1–10 billion CFU | Daily | General gut health and probiotic maintenance | Common dosage form in multispecies probiotic clinical trials including L. brevis |
| Tablet | 100–200 million CFU | Twice daily | Dental and oral health, reduction of periodontal pathogens | Common in clinical trials using L. brevis CD2 lozenges for gingivitis and periodontitis |
| Tablet | 100 million CFU | Three times daily | Oral health, reduction of nitric oxide and inflammation in periodontitis | Used in RCTs evaluating L. brevis CD2 for periodontal disease management |