<qa>  What is the name of the study that is randomized, placebo controlled?This is a randomized, placebo controlled study. The first subject is expected to be enrolled in July 2014, and the last subject is expected to complete the study by July 2015. Each subject will be provided with the PRN Joint Comfort Formula, placebo or PRN Flex Omega Benefits combination depending on randomization 1:1:1 at each site during the course of the study. Instructions and frequency of use will be determined by the labelling. 