Are personal trainers able to use nutrition software legally? ADVERTISEMENT 857 viewsOctober 29, 2015 0 Bridgett October 29, 2015 0 Comments I am wondering if I am able to use nutrition software legally. 7 Answers ActiveVotedNewestOldest 0 Bridgett Posted 0 Comments Thank you for your response. I was corresponding with an RD and asked this question. She was quick to tell me that I could not prescribe diets but would not answer this question. You are viewing 1 out of 7 answers, click here to view all answers. Register or Login