| 効果 | 増加 |
| 試験方法 | コホート法 |
| 試験期間 | 1-6 ヶ月 |
| 被験者数 | 30 |
| 性別 | 男女 |
| 年齢 | 45-64, 65+ |
| 体型 | 肥満 |
この研究の注釈：
In heart failure patients with preserved ejection fraction, 3g of supplemental citrulline daily was able to promote cardiac function and reduce blood pressure. Arginine at 8g was equally effective, and this study lacked a placebo control.