Fiber, Microbiome and Health

Researching the Longitudinal Systemic Effects of Dietary Fiber Supplementation

Fiber, Microbiome and Health

Researching the Longitudinal Systemic Effects of Dietary Fiber Supplementation

About this study:

This study uses a big data systems biology approach to study the effects of purified dietary fiber in the greatest detail currently possible.

Genomic and microbiome data will be returned participants.

To be eligible for this study, you must:

  • Be 18 years of age or older
  • Not pregnant
  • Live close enough to Stanford University for study visits
  • Be generally healthy or conversely have diabetes
  • Not have any medical condition that could interfere with the study participation or evaluation of research finding

This study is an important Substudy within the larger iPOP study

Voluntary Participation

Your participation in this study is entirely voluntary. Your decision not to participate will not have any negative effect on you or your medical care.

You can decide to participate now but withdraw your consent later and stop being in the study without any loss of benefits or medical care to which you are entitled.

What will you ask me to do?


During the initial visit, researchers will collect samples for genomic analysis.

The participation period will have four cycles that take approximately seven weeks from start to finish.

This study is a substudy of iPOP. 

What is iPOP?

Reach out to us if you are interested in learning more about the Fiber, Microbiome and Health Study:

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