Bacillus subtilis S4
Bacillus subtilis S4 is a strain isolated from the gut microbiota of black soldier fly larvae (Hermetia illucens), where it has been characterized for its protein-degrading enzymatic activity in a 2024 genomic and functional study. Its research context is insect biotechnology and organic waste processing rather than human probiotic applications. While B. subtilis as a species has GRAS (generally recognized as safe) status and established uses in food fermentation, the S4 strain specifically has not been studied in human health contexts, and no such evidence was identified in this index.
Where it's been studied Tags come from a conservative keyword scan of each paper's title, abstract, and summary. A tag is research coverage, not measured effect. How we classify this →
Share of this strain's 1 body-system-tagged papers that concern each system. Research coverage, not measured effect.
Research Study-type filters use AI-classified labels, audited but not guaranteed — check the paper itself before leaning on one. How we classify this →
2 papers reference this strain in the probiotic database.
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