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]