A recent randomized, placebo-controlled, crossover trial investigated the link between high-dose oral thiamine supplementation and chronic fatigue in 40 patients with quiescent inflammatory bowel disease (qIBD). The study found that while high-dose thiamine (600-1800 mg/day for 4 weeks) significantly reduced fatigue, it did not alter the overall gut microbiota composition or short-chain fatty acid (SCFA) concentrations.

Instead, the study revealed a significant correlation: patients with higher baseline levels of the gut bacteria Faecalibacterium prausnitzii and Roseburia hominis were more likely to respond positively to thiamine treatment. Specifically, Faecalibacterium prausnitzii was more abundant in thiamine responders both before (P=.019) and after (P=.038) treatment. The relative abundance of both Faecalibacterium prausnitzii and Roseburia hominis inversely correlated with improvements in IBD fatigue scores. Of the patients classified as responders (those who decreased their IBD-FQ1 score by 3 or more points), all 17 individuals showed this positive response. Furthermore, Faecalibacterium prausnitzii abundance was significantly greater in these responders compared to nonresponders. These findings suggest that these specific bacteria may serve as markers to predict who will benefit from thiamine for IBD-related fatigue, rather than being directly modified by the thiamine itself.

3. Disclaimers:

"This information is for educational purposes only and should not be interpreted as medical advice." "The study discussed was conducted on a specific population (patients with quiescent inflammatory bowel disease). Further research may be needed to confirm these findings in other populations." "Always consult with a qualified healthcare professional before making any changes to your diet, supplement regimen, or treatment plan, especially if you have a medical condition or are taking medications." "This channel is not monetized and does not provide medical advice."

#IBDFatigue #Thiamine #IBD #FaecalibacteriumPrausnitzii #InflammatoryBowelDisease

Thiamine-Reduced Fatigue in Quiescent Inflammatory Bowel Disease Is Linked to Faecalibacterium prausnitzii Abundance Bermúdez-Sánchez, Sandra et al. Gastro Hep Advances, Volume 4, Issue 1, 100533

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