Pills, Powders and Protein ShakesBBC News Duration: 30 minutesFirst broadcast: Sat 7th Mar 2015, 14:30 on BBC NewsLatest broadcast: Sun 8th Mar 2015, 10:30 on BBC News Channel HDTim Rogers investigates the effectiveness of sports supplements, looking at whether they work and whether users can be sure of what they are getting.ContributorsReporter:Tim RogersGenresFactualHealth & WellbeingFormatsDocumentaries Source: BBC Online