Intake-dependent Effect of Cocoa Flavanol Absorption, Metabolism and Excretion in Humans

Inclusion Criteria: * No prescription medications * BMI 18.5 - 29.9 kg/m2 * Weight ≥ 110 pounds * previously consumed cocoa and peanut products, with no adverse reactions Exclusion Criteria: * Adults unable to consent * Prisoners * Non-English speaking\* * BMI ≥ 30 kg/m2 * Allergies to nuts, cocoa and chocolate products * Active avoidance of coffee and caffeinated soft drinks * Under current medical supervision * A history of cardiovascular disease, stroke, renal, hepatic, or thyroid disease * History of clinically significant depression, anxiety or other psychiatric condition * History of Raynaud's disease * History of difficult blood draws * Indications of substance or alcohol abuse within the last 3 years * Current use of herbal, plant or botanical supplements (multi-vitamin/mineral supplements are allowed) * Blood Pressure \> 140/90 mm Hg * GI tract disorders, previous GI surgery (except appendectomy) * Self-reported malabsorption (e.g. difficulty digesting or absorbing nutrients from food, potentially leading to bloating, cramping or gas) * Diarrhea within the last month, or antibiotic intake within the last month * Vegetarian, Vegan, food faddists, individuals using non-traditional diets, on a weight loss diet or individual following diets with significant deviations from the average diet * Metabolic panel results or complete blood counts that are outside of the normal reference range and are considered clinically relevant by the study physician * Screening LDL ≥ 190 mg/dl for those who have 0-1 major risk factors apart from LDL cholesterol (i.e. family history of premature coronary artery disease (male first degree relative \< 55 years; CHD in female first degree relative \< 65 years), cigarette smoker, HDL-C ≤ 40 mg/dL) * Screening LDL ≥ 160 mg/dl for those who have 2 major risk factors apart from LDL cholesterol (i.e. family history of premature coronary artery disease (male first degree relative \< 55 years; CHD in female first degree relative \< 65 years), cigarette smoker, HDL-C ≤ 40 mg/dL). (using NCEP calculator http://hp2010.nhlbihin.net/atpiii/calculator.asp?usertype=prof) * Screening LDL ≥ 130 mg/dl for those who have 2 major risk factors apart from LDL cholesterol (i.e. family history of premature coronary artery disease (male first degree relative \< 55 years; CHD in female first degree relative \< 65 years), cigarette smoker, HDL-C ≤ 40 mg/dL), and a Framingham 10-year Risk Score 10-20% (Framingham risk calculated using NCEP calculator http://hp2010.nhlbihin.net/atpiii/calculator.asp?usertype=prof) * Cold, flu, or upper respiratory condition at screening * Currently participating in a clinical or dietary intervention study