Elderberry Consumption and Human Health

Inclusion Criteria: * Women and Men between 22 and 75 years of age with a body mass index of 25 kg/m2 or above Exclusion Criteria: * Pregnant or trying to become pregnant * Have a body mass index less than 25 kg/m2 * Are younger than 22 years of age, or older than 75 years of age * Known allergy or intolerance to elderberries * History of bariatric surgery or nutrient malabsorption disease (such as celiac disease) or other metabolic disorders requiring a special diet that is not in accord with the diet behavior requested for this study * Adherence to restrictive (vegetarian or vegan) or extreme (fad \[ex. Ketogenic or Atkins\] or quick weight loss/gain) diet patterns and unwillingness to consume a conventional, omnivorous diet and maintain body weight * Habitual use of tobacco (including vaping) products in the last 6 months * Diagnosis or treatment of cancer in the past 3 years * Crohn's disease or diverticulitis * Suspected or known strictures, fistulas or physiological/mechanical GI obstruction * Use of certain medications (prescription or over-the-counter) that may interfere with the study objectives, including blood thinning medications * Type 2 diabetes requiring the use of medication * Fasting blood glucose \> 125 mg/dL * Unable or unwilling to give informed consent or communicate with study staff * Self-report of alcohol or substance abuse within the past 12 months and/or current treatment for these problems (long-term participation in Alcoholics Anonymous is not an exclusion) * Other medical, psychiatric, or behavioral factors that in the judgment of the Principal Investigator may interfere with study participation or the ability to follow the intervention protocol