is the National Association for Fitness a trustworthy source for a certification? ADVERTISEMENT 4.76K viewsJuly 28, 2013 0 Rachelle July 28, 2013 0 Comments National Association for Fitness Certification 11 Answers ActiveVotedNewestOldest 0 NatalieSmith5 Posted 0 Comments Hello Rachelle Barrett-Dean, I also ask around as to what the employers in my area prefer. That is one of the reasons I am certified through ACE. Take care, Natalie NAPS 2 B Fit You are viewing 1 out of 11 answers, click here to view all answers. Register or Login