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Tuesday, June 12, 2018
Category : NEWS, INGREDIENTS, INNOVATION, CLINICAL EVIDENCE | Author : experts | Comment : No Comments
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NOL, Nutraveris Online, the most efficient data solution to create, keep up-to-date and launch your products in the 28 EU member states, used for 10years by more than 500 industry leaders informs you:

 

Protein supplements fulfill this function by improving performance and increasing muscle mass. However their effect on other organs for instance gut microbial is not clear.

 

sport women and men

 

This randomized pilot study in cross-country runners aims at investigating the effect of protein consumption on gut microbiota. To do so, participants were enrolled and allocated to diets supplemented either with a protein supplement (whey isolate and beef hydrolysate) (n = 12) or maltodextrin (control) (n = 12) for 10 weeks.

Microbiota, water content, pH, ammonia, and short-chain fatty acids (SCFAs) were analyzed in fecal samples, whereas malondialdehyde levels (oxidative stress marker) were determined in plasma and urine.

Fecal pH, water content, ammonia, and SCFA concentrations did not change, indicating that protein supplementation did not increase the presence of these fermentation-derived metabolites. However, it increased the abundance of the Bacteroidetes phylum and decreased the presence of health-related taxa including Roseburia, Blautia, and Bifidobacterium longum.

The authors concluded that, long-term protein supplementation may have a negative impact on gut microbiota.

 

Moreno-Pérez D, Bressa C, Bailén M, Hamed-Bousdar S, Naclerio F, Carmona M, Pérez M, González-Soltero R, Montalvo-Lominchar MG, Carabaña C, Larrosa M. Effect of a Protein Supplement on the Gut Microbiota of Endurance Athletes: A Randomized, Controlled, Double-Blind Pilot Study. Nutrients. 2018 Mar 10;10(3). pii: E337

 

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