Nevertheless, these studies were conducted among children with ADHD. Given that n-3 PUFAs are commonly used by children with comorbid ASD and ADHD, there is a need to examine whether similar effects can be observed in this population. The goal of our present study is to examine the effect of PS-Omega3 supplement among children with comorbid ASD and ADHD. The safety and tolerability will also be assessed in this pilot trial.