Blueberry-protein Supplementation and Exercise

Inclusion Criteria: * Male or female. * Ages 18-65 years. * Non-smoker. * Regularly compete in road races (category 1 to 5) and/or are capable of cycling 2.5 h in a laboratory setting (using their own bicycles on Saris training systems). * Agree to train normally, maintain weight, and avoid the regular use of large-dose vitamin and mineral supplements, herbs, and medications that influence inflammation and immune function (especially Advil, Motrin, aspirin, and similar anti-inflammatory drugs) for the duration of the 6-week study. (Review supplement and medication use with the Research Manager during orientation). * Categorized as "low risk" using the American College of Sports Medicine screening questionnaire. * Generally healthy and without chronic disease including cardiovascular disease (e.g., heart disease, stroke), cancer, type 1 and 2 diabetes, rheumatoid arthritis. Exclusion Criteria: * Inability to comply with study requirements. * Body weight below 100 pounds. * Pregnant or breastfeeding. * Any other concurrent condition which, in the opinion of the primary investigator (PI), would preclude participation in this study or interfere with compliance. * Current diagnosis of cardiovascular disease, diabetes, or cancer (except for non-melanoma skin cancer). * History of allergic reactions to blueberries.