Natural carbohydrate matches commercial products for sports performance

By Nathan Gray

- Last updated on GMT

Related tags: Nutrition, Blood sugar

Ingestion of a natural carbohydrate food source matches commercial sports chews when it comes to running performance, according to new research.

The study – published in the Journal of the International Society of Sports Nutrition – examined ​the metabolic, performance and gastrointestinal (GI) effects of supplementation with a natural food product (in this case raisins) compared to a commercial product (sport chews).

Led by Gretchen Casazza, director of Sports Nutrition at the University of California – Davis, USA, the research team revealed that both the raisins and the commercial sports chews provided increases in running performance compared to water alone – finding that natural carbohydrate matched the commercial product in terms of the performance boost it offered.

“Our study provides evidence that solid carbohydrate consumption during a ~100-min run allows for maintenance of blood glucose levels and improved performance compared to water only,”​ wrote the researchers.

“Results ​[also] indicate that ingestion of a natural food product, raisins, had similar performance effects as a commercial sports product in chews and both products improved running time trial performance,”​ they added.

More to follow

Source: Journal of the International Society of Sports Nutrition
Volume ​9, Issue 27, doi:10.1186/1550-2783-9-27
“Natural versus Commercial Carbohydrate Supplementation and Endurance Running Performance”
Authors: Brandon W Too, Sarah Cicai, Kali R Hockett, Elizabeth Applegate, Brian A Davis and Gretchen A Casazza

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