Randomized Trialhigh evidence
Resistant starch types 2 and 4 induce distinct and reversible changes in the human gut microbiome.
Microbiology spectrum·July 24, 2026·PMID 42496113
Why it mattersDifferent resistant starch types selectively promote distinct gut microbes and functional genes, which may explain interindividual variability in metabolic benefits. This insight supports tailoring fiber interventions to an individual’s microbiome for precision nutrition.
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