Mixed results were found for zinc , folic acid , vitamin C , and tryptophan , with nonsignificant results for inositol .
No major adverse effects were noted in the studies ( aside from minor digestive disturbance ) .
A meta- analysis of adjunctive omega-3 versus placebo revealed a significant and moderate to strong effect in favor of omega-3 .
Conversely , a meta- analysis of folic acid revealed a nonsignificant difference from placebo .
Current evidence supports adjunctive use of SAMe , methylfolate , omega-3 , and vitamin D with antidepressants to reduce depressive symptoms
OBJECTIVE There is burgeoning interest in augmentation strategies for improving inadequate response to antidepressants .
The adjunctive use of st and ardized pharmaceutical- grade nutrients , known as nutraceuticals , has the potential to modulate several neurochemical pathways implicated in depression .
While many studies have been conducted in this area , to date no specialized systematic review ( or meta- analysis ) has been conducted .
Preliminary randomized double-blind placebo-controlled trial of tryptophan combined with fluoxetine to treat major depressive disorder: antidepressant and hypnotic effects.
OBJECTIVE Because the initial phase of treatment of depression with a selective serotonin reuptake inhibitor is often complicated by a delayed onset of action of the antidepressant or severe insomnia or both , we investigated whether tryptophan , an amino acid with both antidepressant-augmenting and hypnotic effects , would benefit patients with depression at the beginning of treatment with fluoxetine .  DESIGN R and omized , double-blind , placebo-controlled trial . PATIENTS Thirty individuals with major depressive disorder . INTERVENTIONS Treatment over 8 weeks with 20 mg of fluoxetine per day and either tryptophan ( 2 to 4 g per day ) or placebo . OUTCOME MEASURES Mood was assessed using the 29-item Hamilton Depression Rating Scale ( HDRS-29 ) and the Beck Depression Inventory ( BDI ) . Laboratory sleep studies were done at baseline and after 4 and 8 weeks of treatment using st and ard procedures . RESULTS During the first week of treatment , there was a significantly greater decrease in HDRS-29 depression scores , and a similar trend in BDI scores , in the tryptophan/fluoxetine group than in the placebo/fluoxetine group . No significant differences were noted at later time points . With respect to sleep measures , there was a significant group-by-time interaction for slow-wave sleep at week 4 . Further analysis revealed a significant decrease in slow-wave sleep after 4 weeks of treatment in the placebo/fluoxetine group , but not in the tryptophan/fluoxetine group . No cases of serotonin syndrome occurred , and the combination was well tolerated , although the 4 g per day dosage of tryptophan produced daytime drowsiness . CONCLUSIONS Combining 20 mg of fluoxetine with 2 g of tryptophan daily at the outset of treatment for major depressive disorder appears to be a safe protocol that may have both a rapid antidepressant effect and a protective effect on slow-wave sleep . Further large-scale studies are needed to confirm these initial findings
Mixed results were found for zinc , folic acid , vitamin C , and tryptophan , with nonsignificant results for inositol .
No major adverse effects were noted in the studies ( aside from minor digestive disturbance ) .
A meta- analysis of adjunctive omega-3 versus placebo revealed a significant and moderate to strong effect in favor of omega-3 .
Conversely , a meta- analysis of folic acid revealed a nonsignificant difference from placebo .
Current evidence supports adjunctive use of SAMe , methylfolate , omega-3 , and vitamin D with antidepressants to reduce depressive symptoms
OBJECTIVE There is burgeoning interest in augmentation strategies for improving inadequate response to antidepressants .
The adjunctive use of st and ardized pharmaceutical- grade nutrients , known as nutraceuticals , has the potential to modulate several neurochemical pathways implicated in depression .
While many studies have been conducted in this area , to date no specialized systematic review ( or meta- analysis ) has been conducted .