Findings

What do systematic reviews say?

4 questions · 4 findings · 1 reviews

No studies found 1 · 25%GRADE not reported 0 · 0%Very low 0 · 0%Low 3 · 75%Moderate 0 · 0%High 0 · 0%

The findings closest to your search, judged one by one by TypeSafe's Jev model.

Prostate cancer incidence · adults (aged at least 18 years)

Green tea extract supplementation showed no clear difference in prostate cancer incidence compared with placebo (low certainty).

1 finding from 1 review

Green tea (Camellia sinensis) for the prevention of cancer 2020 · Cochrane Headline outcomes only
RR 0.5 [0.18, 1.36]
3 studies · 201 participants
Low

Gynaecological cancer incidence · adults (aged at least 18 years)

Green tea extract supplementation showed no clear difference in gynaecological cancer incidence compared with placebo (low certainty).

1 finding from 1 review

Green tea (Camellia sinensis) for the prevention of cancer 2020 · Cochrane Headline outcomes only
RR 1.5 [0.41, 5.48]
2 studies · 1157 participants
Low

Non‐melanoma skin cancer incidence · adults (aged at least 18 years)

Green tea extract supplementation showed no clear difference in non‐melanoma skin cancer incidence compared with placebo (low certainty).

1 finding from 1 review

Green tea (Camellia sinensis) for the prevention of cancer 2020 · Cochrane Headline outcomes only
RR 1 [0.06, 15.92]
1 study · 1075 participants
Low

Quality of life · adults (aged at least 18 years)

The review found no eligible studies for this question.

1 finding from 1 review

Green tea (Camellia sinensis) for the prevention of cancer 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found