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I did not imply probiotics were a panacea. Difficult to imagine such a biological war playing out in every host beneficially. Although the study you mention is concerned with an unusual fermentation process, which may be caused by a different biological mechanism.

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The link was about probiotics causing or contributing to intestinal bacterial overgrowth. It’s a real risk.

I read the study. The risk is real tho uncommon, but the study was unable to determine if bacterial overgrowth was the underlying condition responsible for the symptoms, because they appear the same as those from D-lactic acidosis, caused by the same bacteria as found in common probiotics.

So whether the issue is too much bacteria or poor compatibly with a host remains unanswered by your linked study.

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