ProCo Metformin Study

Study Type


Study Purpose

The purpose of this study is to see if a food supplement (in the form of a smoothie) will prevent stomach and bowel symptoms that are associated with using metformin for the treatment of diabetes.

Study Design

Number of visits:

  • 1 Screening visit
  • 3 Clinic visits
  • 2 Phone calls

Study procedures:

  • Height, weight, vitals, BMI
  • Finger sticks
Eligible participants will complete (2) 2 week test periods, with a 2 week wash out period between them.  Participants will be asked to consume 2 smoothies each day of both testing periods.  All study procedures will be provided at no cost to participants.

Study Qualifications

Have been determined to not tolerate the medication Metformin due to stomach or bowel symptoms

Study Duration

6 weeks


Earn up to $250 for participation.

Study Contact

If you are interested in volunteering for the ProCo Metformin study, click here to screen online, 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.


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