CHPS RESEARCH STUDIES

Effects of Dietary Protein Supplementation on Bioimpedance Characteristics and Metabolic Health Markers

The purpose of this study is to determine the effect of an increased protein intake on different markers of metabolic health, including traditional metabolic health markers from blood, visceral fat thickness (the fat that is coated around our abdominal organs) measured using ultrasound, and bioimpedance characteristics measured using bioimpedance devices. These bioimpedance devices send small, imperceptible electrical currents through the body and measure how quickly the current returns to the device (i.e., how much your cells impede, resist, and react to the current, thereby slowing it down). While more traditional markers of metabolic health have been researched before, less is known about how bioimpedance characteristics change with an increased protein intake.

We expect that you will be in this research study for 4 study visits over the course of 5 weeks. Each study visit will last approximately 45-60 minutes and outside of the study visits you will be asked to complete a 3-day food recall each week and wear a watch provided to you by the research team throughout each day in the study.
For each study visit, you will be asked to arrive at the lab having fasted for at least 4 hours, abstained from caffeine for at least 12 hours, and avoided alcohol and strenuous physical activity/exercise for at least 24 hours prior to your visit. You will also be asked to arrive wearing light athletic clothing (e.g., T-shirt, shorts, leggings, sports bra, etc.) and be free of hair on your right hand and foot. During the study visits, you will complete brief questionnaires, provide small blood samples via finger prick, provide a urine sample to ensure adequate hydration, complete an ultrasound assessment of visceral fat thickness on your abdomen, and complete bioimpedance assessments.

Inclusion Qualifications:

Male or female adult (18-40 years old)
Complete less than 150 minutes per week of aerobic exercise and less than 2 full-body
resistance training sessions per week
Free from implanted pacemakers/defibrillators
Free from open cuts/wounds on your right hand and foot
Metabolically healthy (we will determine this using a health history questionnaire,
fasting blood glucose < 100mg/dL, and a resting blood pressure < 140/90 mmHg)
Not actively attempting to gain/lose weight

Exclusion Qualifications:

You may not participate in this research opportunity if any of the following applies to you:

Pregnancy
Missing or prosthetic limb(s)
Actively attempting to gain or lose weight
A BMI ≤ 18.5 kg/m2 or ≥ 35.0 kg/m2
Lactose intolerance

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