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Effects of a slowly fermentable fiber mixture against the background of a high-protein diet on insulin sensitivity and metabolic health in individuals with overweight: a randomized, placebo-controlled trial.
Dihexa · Gut microbes · 2025 · RCT · Phase 2 · n=40
In this study, a fiber supplement combined with a high-protein diet led to a significant decrease in whole-body insulin sensitivity compared to placebo. This suggests potential adverse effects on metabolic health that warrant further research.
Whole-body insulin sensitivity significantly decreased, p=0.034.