| 効果 | 減少 |
| 試験方法 | 二重盲検法 |
| 試験期間 | 1-2 週間 |
| 被験者数 | 25 |
| 性別 | 男女 |
| 年齢 | 30-44, 45-64 |
| 体型 | 肥満 |
この研究の注釈：
2 weeks of 750mg 5-HTP in overweight women and men was associated with less food intake mostly from carbohydrates, and due to this minor but significant weight loss
Eating Behavior And Adherence To Dietary Prescriptions In Obese Adult Subjects Treated With 5-hydroxytryptophan
| 効果 | 減少 |
| 試験方法 | 二重盲検法 |
| 試験期間 | 1-6 ヶ月 |
| 被験者数 | 20 |
| 性別 | 女性 |
| 年齢 | 30-44 |
| 体型 | 肥満 |
この研究の注釈：
900mg 5-HTP for up to 12 weeks was associated with greater weight loss than placebo and attributed to the reduction in food intake.
The Effects Of Oral 5-hydroxytryptophan Administration On Feeding Behavior In Obese Adult Female Subjects
| 効果 | 減少 |
| 試験方法 | 二重盲検法 |
| 試験期間 | 1-6 ヶ月 |
| 被験者数 | 19 |
| 性別 | 女性 |
| 年齢 | 30-44 |
| 体型 | 肥満 |
この研究の注釈：
8mg/kg 5-HTP in obese women (BMI 30-40) was associated with a reduction of calories by approximately 38% (placebo recorded at 20%) over 5 weeks, resulting in weight loss.