Firmicutes/Bacteroidetes Ratio

The Firmicutes/Bacteroidetes Ratio is a calculated value that compares two major bacterial groups in the gut microbiome. It can reflect how the microbial community is structured and may be influenced by diet, fermentation patterns, and overall gut balance. A shift in this ratio does not point to one specific condition, but it can help show whether the relationship between these two major bacterial groups differs from the expected microbiome pattern. Its meaning depends on the wider gut profile and how the other microbiome markers appear together.

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