Eligibility |
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:
- Are not fully vaccinated against COVID-19 (at least 2-weeks out from final dose at
time of staff meeting)
- Have a body mass index less than 25 kg/m2
- Are younger than 22 years of age, or older than 75 years of age
- Pregnant, lactating, or intending to become pregnant during the study period, or have
given birth in the past year
- 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 or marijuana (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
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