I had a great experience with ISTA and gained valuable knowledge through their Certified Personal Trainer course. ADVERTISEMENT 514 viewsJanuary 31, 2017 0 Seth January 31, 2017 0 Comments 5 Answers ActiveVotedNewestOldest 0 Sue0 Posted 0 Comments Is it a Nationally Accredited Certification? You are viewing 1 out of 5 answers, click here to view all answers. Register or Login