Table 1.

Inclusion and exclusion criteria.

Basic Inclusion Criteria	Basic Exclusion Criteria
Males	Those regularly taking 5α-reductase inhibitors or testosterone replacement medicines
Aged 18–80 years	Those on warfarin treatment
BMI between 19.5–35 kg/m2	Those diagnosed with diabetes
Smokers and non-smokers	Those diagnosed with or suspected to be high-risk for human immunodeficiency virus (HIV) and/or viral hepatitis
Scheduled for TPB as part of routine investigation or staging of prostate cancer	Those allergic to any of the ingredients included in the supplements
	Those taking additional dietary supplements or herbal remedies that could affect the study outcome
	Those that are unable to understand English or give informed consent
	Parallel participation in another research project that involves dietary intervention
	Any person related to or living with any member of the study team