Canine Probiotic Study
Studying a probiotic supplement designed to support canine gut health for its effects on recurring diarrhea.
Join a Study
Be part of history's largest studies on supplements
- Receive a supply of a study product at no cost to you
- Receive a PERSONALIZED HEALTH REPORT with insights when you complete the study
Get invited to our studies!
Select your wellness needs:
In Collaboration with Faculty From
Open Studies
We also welcome you to subscribe to be the first invited to new studies.
GI Distress
Studying greens powder with probiotics, vitamins, minerals and plant extracts for its effects on gas, bloating and irregularity. If you are not currently taking a multivitamin, or willing to pause yours, you may qualify.
Constipation & GI Health
Studying a cleanse of magnesium and potassium citrate for its effects on regular constipation. MALES ONLY.
Sleep Quality Study
Studying fermented L-ergothioneine for its effects on sleep. MALES ONLY.
Gut Health & Mental Health
Studying prebiotics in history's largest gut microbiome and feelings of anxiety clinical trial. Biomarkers include gut microbiome sequencing, proteomic testing, continuous glucose monitoring, and clinical vitals taken from facial blood flow scanning.
Energy
Studying NR, the precursor to NAD+, with neurocognitive testing.
Stress Study
Studying Ashwagandha root extract, with salivary cortisol testing.
Where Wellness Leaders Turn for Evidence
How the Study Works
1
Eligibility & opt-in
The study is completely virtual - all you need is internet access on your phone or computer!
2
Product shipped to your door
If you are eligible, we will mail you a supply of health product that is lab-tested to be pure and contaminant-free.
3
Weekly check-ins via survey
Each week, you will answer short surveys about your health and study product.
4
Final health report & insights
Receive a personalized health report when you complete the study.
Free tested health product
Tested with diverse, representative populations
Personalized health insights
Contribute to scientific breakthroughs
Support equity in wellness research
Making a difference, one study at a time
For each week a volunteer participates in our study, we donate to Vitamin Angels to provide essential supplements to prevent a malnourished child from permanent blindness and help expectant mothers reduce birth defect risks in their babies.
Our Radicle Team
We are passionate doctors and public health trailblazers on a mission to revolutionize healthcare!
As featured in
Our Volunteers’ Impact
Since 2020, Radicle has conducted placebo-controlled trials with nearly 100,000 participants, delivering clinical-grade insights on wellness products.
~100k
Radicle Volunteers
200+
Products Tested
Questions & Answers
Find quick answers to common questions about Radicle’s studies, process, and platform.
“We’re advancing wellness through inclusive, virtual science.”
Dr. Jeff Chen, MD
Co-founder, Chief Executive Officer
Co-founder, Chief Executive Officer
Pelin Thorogood, M.Eng, MBA
Co-founder, Executive Chairwoman
Co-founder, Executive Chairwoman
