Study population | No. in study | Noni juice dose | Duration | Outcome | Reference |
Cancer patients (Case reports) | 2 | Not reported | 6 months (case 1); unknown (case 2) | Extended survival time | Wong 2004 [22] |
Health adults | 12 | 330 mL (TNJ) | 8 weeks | Increased IL-2 and NK cell activity | Ma et al. 2008 [23] |
Post-COVID patients | 188 | 14 grams noni syrup (in combination with conventional treatment) | 20 days | Diminished symptoms and inflammatory cytokines as well as increased polymorphonuclear leukocyte phagocytosis capacity and antioxidant activity, when compared to placebo group | Kharaeva et al. 2022 [24] |
General population (survey) | 408 | Unspecified | During length of illness, as well 2 to 10 years | Traditional use of noni juice to treat diseases associated with respiratory infections | Pande et al. 2005 [25] |