Semente de Abóbora
Hong, H. ET al. Effects of pumpkin seed oil and saw palmetto oil in Korean men with symptomatic benign prostatic hyperplasia, Nutr Res Pract. 2009 Winter; 3(4): 323–327.

Zinco
Christudoss, P. ET al. Zinc status of patients with benign prostatic hyperplasia and prostate carcinoma, Indian J Urol. 2011 Jan-Mar; 27(1): 14–18.

Semente de Melância
http://www.sciencedomain.org/abstract/286

Licopeno
https://academic.oup.com/carcin/article/29/4/816/2624485