The evidence underpinning sports performance products: a systematic assessment.

ABSTRACT: To assess the extent and nature of claims regarding improved sports performance made by advertisers for a broad range of sports-related products, and the quality of the evidence on which these claims are based. The authors analysed magazine adverts and associated websites of a broad range of sports products. The authors searched for references supporting the performance and/or recovery claims of these products. The authors critically appraised the methods in the retrieved references by assessing the level of evidence and the risk of bias. The authors also collected information on the included participants, adverse events, study limitations, the primary outcome of interest and whether the intervention had been retested. The authors viewed 1035 web pages and identified 431 performance-enhanc

SUBMITTER: Heneghan C 

PROVIDER: S-EPMC3401829 | biostudies-literature | 2012

REPOSITORIES: biostudies-literature