. >> reporter: appropriate fessor fessor -- professor of business at georgetown university. >> is theresentative truthful with the representatives they bring. >> reporter: we decided to see for ourselves going undercover with two abc news journalists suited up with cameras in buttons, watches and water bottle ldz. >> recording. >> reporter: and became herbalife distributors. some 60% of the company's american distributors are latino. our reporters, william gallego and ray montez began in a latino neighborhood of queens in new york city at an unmarked storefront with green awning and windows covered over as required by herbalife. herbalife calls this a nutrition club one of thousand across the country where distributors offer diet shakes for a membership fee where we signed up first to become basic members and jumped to supervisor by buying what they call 4,000 volume points for $3,900. this is how it works. for our $3,900 we got a huge shipment of herbalife products. details on how to make the diet shakes for customers. and specific instructions in the company brochure on how to sell