Bryan Johnson· Author
decaf uniquely fed the protective gut microbes > caffeine blocked those gains by pushing food through too fast for the Clostridia bacteria to finish their work
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
decaf uniquely fed the protective gut microbes > caffeine blocked those gains by pushing food through too fast for the Clostridia bacteria to finish their work
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
Does coffee improve your gut microbiome?
So I think the key takeaway here is that coffee caffeinated or decaffeinated acts as a prebiotic matrix. It has fibers, melanoidins, and polyphenols that feed the gut ecosystem that in turn generate metabolites linked to lower inflammation, better better cholesterol handling and neurop protection.