An Investigation of the Dose-dependent Vascualr Effects of (-)-Epicatechin in Healthy Men

Inclusion Criteria: * Body Mass Index 20-27.5 kg/m2 * Normal blood pressure at screening (\< 150/90) * Non-smoker * Non-vegetarian * 'Normal - low' chocolate consumer (\<2 potions per week) * 'Normal - low' coffee/ tea drinker (\<3 cups per day) * Regular exercise routine * Signed consent form Exclusion Criteria: * Haemoglobin (anaemia marker) \< 125 g/l * Gamma GT (liver enzymes) \> 80 IU/l * Cholesterol \> 6.5 mmol/l * Suffered a myocardial infarction or stroke in the last 12 months * Suffers from any cardiovascular or metabolic disorders (e.g. diabetes or any other endocrine or liver diseases) * Suffers from any blood-clotting disorder, and/or takes supporting medication * Any dietary restrictions or on a weight reducing diet * On any lipid-modifying or blood pressure lowering medication * Consuming any specific vitamin/ herbal supplements or fish oils