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• Ex vivo and computational study Date verified

  Machine learning guided design found an inulin linked butyrate motif in synthetic gut communities

  Machine learning guided design of synthetic gut communities identified a butyrogenic motif involving inulin, Bacteroides uniformis and Anaerostipes caccae, validated in human fecal communities ex vivo.

  Nature Chemical Biology 22(8):1286 · Connors et al. · 27 July 2026

  microbiomefiberresearch-methods
• Methodological review and commentary Date as listed in the digest; not independently verified at source.

  Only 2 of 14 carb loading studies were properly blinded, and both found nothing

  A methodological review of carbohydrate loading research found that only two of fourteen studies used a double blind placebo controlled design, and neither found a performance benefit. The weaker studies reported effects at roughly the magnitude expected from placebo.

  International Journal of Sport · Jones et al. · 24 June 2026 · PMID 42342234

  carbohydrateendurance-fuelingresearch-methods
• Randomized crossover, multi site Published 20 Feb 2026. Press release 4 Aug 2026. Cite the February date.

  Four weeks plant based, and recreational athletes performed about the same

  In a four site randomized crossover using university dining halls, 36 recreational athletes showed no significant difference in a 12 minute run or composite machine strength between a plant based and an omnivorous month, though the strength interval leaned toward the omnivore diet.

  Nutrition Journal · Raygoza et al. · 20 February 2026

  proteinfibergeneral-nutritionresearch-methods