Study Type

General Health & Wellbeing

Study Purpose

The purpose of the VANISH research study is to determine if drinking a daily study beverage can help decrease belly fat in overweight individuals.

About the Study

Eligible participants will be randomly assigned to one of three groups. One group will receive 2 study beverages per day, another group will receive one study and one placebo beverage per day, and the third group will receive two placebo beverages per day.

The beverages will be provided at the first visit and neither the participant nor the staff will know what beverage has been assigned. Participants will be asked to take pictures of the beverage containers and send by email and will participate in regularly scheduled phone calls with study staff.

Study Design

Number of Visits:

  • 2 screening visits
  • 2 study visits


  • Medical history and physical examination
  • Vital signs
  • Height, weight, and body measurements
  • Blood draws
  • Urine tests
  • Stool samples
  • Fitbit accelerometer
  • MRI
  • DXA (to measure bone, muscle and body fat)
  • BMI
  • BIA and food diary
  • IV – oral glucose tolerance test
  • Questionnaires

Study Qualifications

To qualify for this research study, participants should:

  • Be between 18 and 60 years old
  • Have a Body Mass Index (BMI) between 25 - 35 calculate your BMI
  • Not be diagnosed with diabetes
  • Not have any implanted electronic devices (such as pacemaker)
  • Be willing to consume study beverages daily for 12 weeks
  • Be willing to take a urine drug screen

Study Duration

Participation in the study will last approximately 14 weeks with 4 visits to Pennington Biomedical.


Compensation of up to $250 is offered for the completion of this study.

Study Contact

If you are interested in volunteering for this research study, click here to screen online. Interested volunteers may also call 225-763-3000 or email

If you think you may be eligible, please click the button below to screen online.


Please do not fill out this questionnaire for anyone other than yourself unless you are their legal guardian.
If you know someone who may be interested please direct them to the site or have them call us directly at 225-763-3000.


English Calculation
Enter Your Weight: 
Enter Your Height: 
 ft.  in.
Your BMI: