Fitness Q & A

Does ribose improve performance? Can strength training produce an increase in the number of muscle fibers? Does green tea reduce the risk of cardiovascular disease or cancer?

One study involved 11 subjects (cyclists and strength-trained individuals; age not reported) who were randomly assigned to receive either ribose or a placebo (wheat flour) 30 minutes prior to a bout of exercise. Each session consisted of three Wingate tests (30 seconds of all-out sprinting) on a stationary cycle, with two minutes of recovery between each test. One week later, the subjects switched to the other pill and repeated the same protocol.

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