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 Daniel0 Posted 0 Comments Good answers. That the NAFC is qualified for ACE CECs is clearly an indication of quality. But, as has been suggested with any certification, check with the facility(s) your want to work with to determine their certification requirements. Good luck. You are viewing 1 out of 11 answers, click here to view all answers. Register or Login