Flavanols are plant-derived compounds commonly present in the human diet. Examples of flavanol-containing foods and beverages are apples, chocolate, tea, wine, berries, pomegranate and nuts. The consumption of flavanol-containing foods and beverages has been associated with improvements in cardiovascular health. In this study, the investigators hope to learn more about the effects of the consumption of increasing amounts of cocoa flavanols on blood pressure, platelet function and other metabolic parameters in healthy humans. This study was followed by a second study that aimed at investigating the effects of long term consumptions of cocoa flavanols on blood pressure, platelet function and other metabolic parameters in healthy humans.

Inclusion Criteria:

• 30-55 years old
• A normal blood chemistry and liver function
• BMI < 30 kg/m2
• previously consumed cocoa and peanut products, with no adverse reactions

Exclusion Criteria:

• A history of cardiovascular disease, stroke, hypertension, renal, hepatic, or thyroid disease, GI tract disorders, previous GI surgery, metabolic syndrome, diabetes, taking cholesterol-lowering medication, hormone replacement therapy, antioxidant supplements, on aspirin therapy or taking anticoagulants, or on a medically prescribed diet.
• Allergies to nuts, cocoa and chocolate products
• Vegetarian, Vegan, food faddists, individuals using non-traditional diets, on a weight loss diet or using herbal dietary supplements