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Many advertisements for sports-related products (e.g., sports drinks, oral supplements, footwear, clothing) contain claims of enhanced performance or recovery. Investigators assessed the extent and nature of these claims in ads that were published in 92 different magazines in March 2012.
The magazines contained 235 ads for sports-related products. Fifty-four different product ads (23%) made 113 enhanced performance or recovery claims. Of these claims, only three were supported by references in the ads. Websites for products making enhanced performance or recovery claims were reviewed. Overall, 431 performance or recovery claims were found for 104 different products. Of these claims, only 141 were supported by references on the websites. (Mor…