| Effects of zinc and vitamin D separately and in combination on mood in overweight and obese subjects | Effects of zinc and vitamin D separately and in combination on mood, cortisol, tryptophan—kynurenine pathway, BDNF and hs-CRP in overweight and obese subjects | IRCT201601252394N31 |
| The Effect of Intravenous L-kynurenine (LKYN) on Cerebral Hemodynamics in Healthy Volunteers | The Effect of Intravenous L-kynurenine (LKYN) on Cerebral Hemodynamics in Healthy Volunteers | NCT03212430 |
| Effects of a probiotic intervention on cognitive symptoms and gut-brain biomarkers in multiple sclerosis (MS); a pilot study. | Effects of a 12-week multi-strain probiotic intervention on cognitive symptoms, kynurenine biomarkers and the gut microbiota in multiple sclerosis (MS); a pilot quasi-randomised, double-blind, placebo-controlled trial. | ACTRN12622000631707 |
| effect of hesperidin on depression | Effects of Hesperidin on serum homocysteine, cortisol and tryptophan kynurenine pathway in major depressive disorder | IRCT20090901002394N40 |
