23 Aug 2016 Blackmores Institute Probiotic supplementation may alleviate anxiety and depression 23 Aug 2016 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News A recent systematic review of randomised trials in humans has found that probiotic supplements can have a positive effect on symptoms of anxiety and depression, with the review authors calling for more research in this area. × To continue reading this article, please Log In or Sign Up for access.