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A mouse study found a new Lactobacillus paracasei strain lowered three inflammatory markers — but the results come from animals, not humans.
This is early animal research on a specific strain, so while the anti-inflammatory signal is promising, it's far from being a proven supplement for people with colitis.
The study measured levels of TNF-α, IL-6, and IL-1β — proteins that drive inflammation — in mice with colitis. Those given L. paracasei WIS43 had significantly lower levels of all three compared to mice given a commercial strain. However, these are preclinical findings, and the same study's other benefits (like reduced colitis severity) were not reported as statistically significant.
Where this fits in the evidence
This is among the first studies we've indexed on Lactobacillus paracasei for Reduced Inflammation — treat it as an early signal until more research accumulates.
The study
- Meta-Analysis
- 2026-01-29
- Frontiers in microbiology
This is a plain-language summary of a research finding, not medical advice. Pillser surfaces research signals to help you decide what's worth investigating — always consult a qualified professional before changing what you take.