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<p>Western-style dietary patterns have been linked with obesity and associated metabolic disorders and gut dysbiosis, whereas prudent dietary and snacking choices mitigate these predispositions. Using a multi-omics approach, we investigated how almond snacking counters gut imbalances linked to adiposity and an average American Diet (AAD). Fifteen adults with overweight or obesity underwent a randomized, crossover-controlled feeding trial comparing a 4-week AAD with a similar isocaloric diet supplemented with 42.5 g/day of almonds (ALD). Almond snacking increases functional gut microbes, including <i>Faecalibacterium prausnitzii</i>, while suppressing opportunistic pathogens, thereby favorably modulating gut microecological niches through symbiotic and microbe-metabolite interactions. Moreover, ALD elevates health-beneficial monosaccharides and fosters bacterial consumption of amino acids, owing to enhanced microbial homeostasis. Additionally, ALD enhances metabolic homeostasis through a ketosis-like effect, reduces inflammation, and improves satiety-regulating hormones. The findings suggest that prudent dietary choices, such as almond snacking, promote gut microbial homeostasis while modulating immune metabolic state.</p>

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Almond snacking modulates gut microbiome and metabolome in association with improved cardiometabolic and inflammatory markers

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月20日

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  • Gwoncheol Park,
  • Katelyn Johnson,
  • Katelyn Miller,
  • Saurabh Kadyan,
  • Saiful Singar,
  • Cole Patoine,
  • Fuhua Hao,
  • Yujin Lee,
  • Andrew D. Patterson,
  • Bahram Arjmandi,
  • Penny M. Kris-Etherton,
  • Claire E. Berryman,
  • Ravinder Nagpal

摘要

Western-style dietary patterns have been linked with obesity and associated metabolic disorders and gut dysbiosis, whereas prudent dietary and snacking choices mitigate these predispositions. Using a multi-omics approach, we investigated how almond snacking counters gut imbalances linked to adiposity and an average American Diet (AAD). Fifteen adults with overweight or obesity underwent a randomized, crossover-controlled feeding trial comparing a 4-week AAD with a similar isocaloric diet supplemented with 42.5 g/day of almonds (ALD). Almond snacking increases functional gut microbes, including Faecalibacterium prausnitzii, while suppressing opportunistic pathogens, thereby favorably modulating gut microecological niches through symbiotic and microbe-metabolite interactions. Moreover, ALD elevates health-beneficial monosaccharides and fosters bacterial consumption of amino acids, owing to enhanced microbial homeostasis. Additionally, ALD enhances metabolic homeostasis through a ketosis-like effect, reduces inflammation, and improves satiety-regulating hormones. The findings suggest that prudent dietary choices, such as almond snacking, promote gut microbial homeostasis while modulating immune metabolic state.