Inclusion Criteria:

• * Screening or Visit 1 Reactive Hyperemia Index (RHI; EndoPAT 2000) \< 2.0
• * Subject is willing and able to comply with the study protocols.
• * Subject is willing to participate in all study procedures
• * BMI 25.0 - 35 kg/m2

Exclusion Criteria:

• * BMI ≥ 35 kg/m2
• * Indivduals that weight less than a 110 lbs
• * Donation of blood within the previous 30 days
• * Visit 1 Reactive Hyperemia Index (RHI; EndoPAT 2000) ≥ 2.0
• * 1 ug/ml and 3 ug/ml collagen screening maximal platelet aggregatory response of \< 65%.
• * Platelet counts \< 150,000 / ul
• * Anemia, which includes self report, or a screening hemoglobin and hematocrit that is less than the normal reference range or as diagnosed by study physician upon review of complete blood cell count reports.
• * Dislike or allergy for nuts, cocoa or grape products
• * Self-reported use of daily anticoagulation agents including aspirin, NSAIDs
• * Vegan, Vegetarians, food faddists or those consuming a non-traditional diet
• * Fruit consumption ≥ 3 cups/day
• * Vegetable consumption ≥ 4 cups/day
• * Nut intake ≥ 2 servings/ week
• * Coffee/tea ≥ 3 cups/day
• * Dark chocolate ≥ 3 oz/day
• * Self-reported restriction of physical activity due to a chronic health condition
• * Self-reported chronic/routine high intensity exercise
• * Self-reported diabetes
• * Blood pressure ≥ 140/90 mm Hg
• * Self-reported renal or liver disease
• * Self-reported heart disease, which includes cardiovascular events and stroke
• * Peripheral artery disease, Raynaud's syndrome
• * Inability to properly place or wear the PAT probes or abnormal measurements on pre- screening PAT
• * Self-reported cancer within past 5 years
• * Self-reported malabsorption
• * Currently taking prescription drugs or supplements.
• * Supplement use or unwillingness to stop any supplement use, including herbal, plant or botanical, fish oil, oil supplements a month prior to study enrollment.
• * Indications of substance or alcohol abuse within the last 3 years
• * smoking, vaping, cannabis use
• * Current enrollee in a clinical research study.