| Substance | Condition | Seq | Src | PMID | Dtl | Title |
| 5-HTP | Depression | 5 | PM | 35572711 | 📋 | Oral Administration of 5-Hydroxytryptophan Restores Gut Microbiota Dysbiosis in a Mouse Model of Depression |
| 5-HTP | Depression | 4 | PM | 32067288 | 📋 | Efficacy and safety of 5-hydroxytryptophan on depression and apathy in Parkinson's disease: a preliminary finding |
| 5-HTP | Depression | 3 | PM | 31504850 | 📋 | Effects of 5-hydroxytryptophan on distinct types of depression: a systematic review and meta-analysis |
| 5-HTP | Depression | 1 | PM | 28787372 | 📋 | An Open-Label Pilot Study of Combined Augmentation With Creatine Monohydrate and 5-Hydroxytryptophan for Selective Serotonin Reuptake Inhibitor- or Serotonin-Norepinephrine Reuptake Inhibitor-Resistant Depression in Adult Women |
| 5-HTP | Depression | 6 | PM | 27692695 | 📋 | Adjunctive 5-Hydroxytryptophan Slow-Release for Treatment-Resistant Depression: Clinical and Preclinical Rationale |
| 5-HTP | Depression | 2 | PM | 23380314 | 📋 | Comparative study of efficacy of l-5-hydroxytryptophan and fluoxetine in patients presenting with first depressive episode |
| 5-HTP | Headache | 1 | PM | 10849040 | 📋 | L-5-Hydroxytryptophan in the prophylaxis of chronic tension-type headache: a double-blind, randomized, placebo-controlled study. For the Portuguese Head Society |
| 5-HTP | Headache | 2 | PM | 6397729 | 📋 | [Treatment of essential headache in developmental age with L-5-HTP (cross over double-blind study versus placebo)] |
| 5-HTP | Ischemic Stroke | 1 | PM | 37421347 | 📋 | Effects of adjuvant berberine therapy on acute ischemic stroke: A meta-analysis |
| 5-HTP | Migraine | 1 | PM | 3913752 | 📋 | Serotonin precursors in chronic primary headache. A double-blind cross-over study with L-5-hydroxytryptophan vs. placebo |
