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Ribose versus dextrose supplementation, association with rowing performance: a double-blind study.

Laura Dunne¹, Sarah Worley, Michael Macknin

¹Sports Medicine Center, Ohio State University, Columbus, OH, USA.

Clinical Journal of Sport Medicine : Official Journal of the Canadian Academy of Sport Medicine

|December 27, 2005

Summary

Dextrose supplementation improved rowing performance more than ribose supplementation in collegiate rowers over 8 weeks. Further research is needed to determine the roles of dextrose and ribose as athletic supplements.

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Area of Science:

Sports Science
Nutritional Biochemistry

Background:

Ribose is hypothesized to enhance adenosine triphosphate (ATP) regeneration.
ATP replenishment is believed to improve exercise performance.

Purpose of the Study:

To compare the effects of ribose versus dextrose supplementation on rowing performance.
To investigate the efficacy of ribose and dextrose as athletic supplements.

Main Methods:

Double-blind randomized trial.
Thirty-one collegiate female rowers participated.
Supplementation with 10 g ribose or dextrose daily for 8 weeks.

Main Results:

The dextrose group demonstrated significantly greater improvement in 2000-m time trials compared to the ribose group.

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Improvement in the dextrose group was 15.2 seconds versus 5.2 seconds in the ribose group (P = 0.031).

Conclusions:

Dextrose supplementation may enhance rowing performance.
Ribose supplementation did not show a significant benefit for rowing performance in this study.
Further research is required to clarify the roles of dextrose and ribose in athletic performance.