03 Mar 2015 Blackmores Institute Omega 3 fatty acids and vitamin d may control serotonin 03 Mar 2015 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Serotonin is the missing link as to how vitamin D and marine omega-3 fatty acids improve symptoms associated with a broad array of brain disorders, a new study suggests. Although essential marine omega-3 fatty acids and vitamin D have been shown to improve cognitive function and behavior in the context of certain brain disorders, the underlying mechanism has been unclear. × To continue reading this article, please Log In or Sign Up for access.