Has anyone taken NASM’s Weight Loss Specialist (WLS) course? ADVERTISEMENT 491 viewsOctober 4, 2013 0 Callie October 4, 2013 0 Comments If so, was it worth it? And what kind of information are they teaching you? 1 Answer ActiveVotedNewestOldest 0 eric0 Posted 0 Comments Sorry, no. Register or Login