Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Bacillus coagulans is a probiotic bacterium that has been investigated for its potential role in alleviating symptoms of eczema (atopic dermatitis), primarily due to its effects on the gut-skin axis and immune modulation. Although the use of probiotics in eczema management has a foundation in scientific inquiry, the specific evidence for B. coagulans remains limited but promising.

Several studies and reviews have explored the role of probiotics in reducing eczema severity, particularly in children. Probiotics like Lactobacillus and Bifidobacterium species have been studied more extensively, with mixed results. In contrast, B. coagulans has been less well studied, but a few small, randomized controlled trials have shown that supplementation with B. coagulans may help reduce the severity and frequency of eczema flare-ups, likely through the modulation of inflammatory cytokines and the enhancement of gut barrier function.

For example, a 2018 double-blind, placebo-controlled study found that children who took B. coagulans reported modest improvements in eczema symptoms compared to placebo. However, these studies are limited in number, often have small sample sizes, and sometimes use B. coagulans in combination with other probiotics, making it difficult to attribute benefits solely to this species. Current clinical guidelines do not yet recommend B. coagulans as a standard treatment for eczema, but ongoing research may further clarify its role. Overall, the scientific evidence is preliminary but suggests a potential benefit, warranting a rating of 2 out of 5.

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