Sweeteners and Gut Health Study

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This study is no longer recruiting female participants

We are recruiting participants for a research study on sweeteners and gut microflora.

We are looking for participants who are:

  • Aged 18-50
  • Generally healthy
  • BMI 18.5-24.9
  • Not regular consumers of artificially sweetened beverages
  • Has a phone or tablet and wifi


This study involves:

  • 1 screening visit, 3 study visits (1 hour each) at our clinic (downtown Toronto), and 1 phone check-in
  • Stool and blood sample collection
  • 3-day food records

Participants will receive up to $400 upon successful completion of the study.

To participate, please click here.


Vaccine policy: 

INQUIS has implemented a mandatory vaccination policy. We require that you be fully vaccinated against COVID-19 to participant in our trials. At screening, we ask that you bring proof of vaccination.


If you have any questions, please contact us at

Sweeteners and Gut Health Study