RT Journal Article SR Electronic T1 BJSM reviews: A–Z of nutritional supplements: dietary supplements, sports nutrition foods and ergogenic aids for health and performance Part 5 JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 77 OP 78 DO 10.1136/bjsm.2009.069989 VO 44 IS 1 A1 L M Castell A1 L M Burke A1 S J Stear A1 L R McNaughton A1 R C Harris YR 2010 UL http://bjsm.bmj.com/content/44/1/77.abstract AB