ArticleFrontiers in nutrition2026
Training modality-specific differences in body composition, resting metabolic rate, diet, and gut microbial signatures in elite endurance and strength athletes.
Article in Frontiers in nutrition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background/objectives: The mode of athletic training exerts a profound influence on both physiological parameters and gut microbiota composition; yet, comprehensive integrative analyses in elite athletes are scarce. This study systematically profiled and contrasted body composition, bone health, resting metabolic rate (RMR), fasting respiratory quotient (RQ), hematological indices, dietary intake, and key gut bacterial taxa among elite Indian endurance athletes, strength athletes, and sedentary controls. Methods: Male participants were classified as endurance athletes ( Results: Strength athletes had significantly greater body weight, lean mass, bone mineral density, and absolute RMR than both endurance athletes and controls. Endurance athletes exhibited lower body fat, elevated fasting fat oxidation, and hematological profiles indicative of enhanced oxygen transport. Athletes showed higher relative abundances of bile-tolerant and proteolytic taxa, including Conclusions: Elite Indian endurance and strength athletes present distinctive, sport-specific physiological and gut microbial signatures. This integrative approach uncovers novel associations and underscores the complex interplay between training modality, nutrition, and the host-microbiome axis in elite athletic populations.
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