Bryan Johnson· Author
250% increase in Short-Chain Fatty Acids (SCFA) Pre-HBOT: 22.5 micromol/g (low) → Post-HBOT: 55.8 micromol/g (optimal) 290% increase in n-Butyrate Concentration, from 3.8 → 11.1 micromol/g (290%)
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
250% increase in Short-Chain Fatty Acids (SCFA) Pre-HBOT: 22.5 micromol/g (low) → Post-HBOT: 55.8 micromol/g (optimal) 290% increase in n-Butyrate Concentration, from 3.8 → 11.1 micromol/g (290%)
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Uh we had dramatic improvements in my microbiome. a,000% increase in acromancia, uh 250% increase in short- chain fatty acids, 290% increase in ambutyrate, so like dramatic improvements.