diabetes mellitus

an acute coronary syndrome or transient ischaemic attack within the past 3 months

special dietary requirements, food sensitivities or vegetarian/vegan diet by choice

oral anticoagulation therapy

body mass index greater than 35kg/m2

excessive alcohol consumption (defined as \> 28 units/week in men and 21 units/week in women)

fasting triglyceride concentration \> 4 mmol/l

pregnancy/lactation

taking antioxidant supplements

medical conditions or dietary restrictions that would substantially limit ability to complete the study requirements

Effect of a Polyphenol Rich Diet on Vascular and Platelet Function