Be part of history's largest clinical trials on supplements

Receive 6-WEEKS of a health product, lab-tested to be pure & contaminant-free 

Receive a PERSONALIZED HEALTH REPORT with insights when you complete the study 

Contribute to science!

Sign-up to receive invitations when new studies open!

100+

Products studied

40,000

US residents studied

AS FEATURED IN

How the Study Works

The study is completely virtual, with online surveys

We mail you a 6-week supply of health product that is lab-tested to be pure and contaminant-free 

Answer short weekly surveys and a questionnaire

One week before your product arrives, answer one question daily about your symptoms

Receive a personalized Health Journey Report when you complete the study

Be a volunteer citizen scientist!

Our Radicle Team

We are passionate doctors and public health trailblazers on a mission to revolutionize healthcare!

Founders
Lead Researchers
Advisory Boards
  • Dr. Jeff Chen, MD

    Co-founder, Chief Executive Officer

    Dr. Jeff is on a mission to close the proof gap between natural products and pharmaceuticals. Before Radicle Science, he was the founder of a UCLA research center conducting historic clinical trials on natural products.

    Dr. Chen serves on the Healthline Medical Advisory Board. He was selected by the National Institutes of Health to serve as an Industry Mentor for the Innovation CORPs, and the World Economic Forum named him a Globalshaper.

  • Pelin Thorogood, M.Eng, MBA

    Co-founder, Executive Chairwoman

    Pelin is a tech-executive turned philanthropist with an unwavering focus on transforming data into actionable insights. She’s on a mission to make clinical proof generation easy and affordable to generate large scale diverse datasets with the predictive power to fuel personalized medicine for all.

    Deeply committed to impact, education, and community, Pelin has funded natural product clinical trials. She serves as Trustee and Treasurer of the UC San Diego Foundation. Chair of the UC San Diego Innovation and Entrepreneurship Council, and as Industry Scholar for the Cornell Institute of Healthy Futures.

  • Dr. Emily Pauli, PharmD

    Chief Research Officer

    Named Woman of the Year in Healthcare by the Stevie Association and recognized as a leader in healthcare by Health 2.0, Dr. Pauli has worked tirelessly to expedite the research process to improve the human condition during her 25-year career in research. She is passionate about harnessing the power of technology to streamline the research process, disrupt the status quo, and lessen the burden on trial participants.

    Dr. Pauli has authored over 30 publications (and counting), delivered countless keynote addresses, scientific and educational presentations, and served as an advisor to a host of biotechnology, pharmaceutical, and industry organizations.

  • Dr. Susan Hewlings, PhD, RD

    Vice-President of Research Affairs

    Dr. Hewlings contributes 20 years of research as a leading, extensively published scientist in supplements and nutrition, with more than 60 publications and thousands of citations.

    Dr. Hewlings has held multiple faculty positions at universities and a medical school. She is a Registered and Licensed Dietitian and holds a PhD in Nutrition. She completed her research fellowship in protein metabolism at University of Texas Medical Branch.

  • Dr. Jessica Saleska, PhD

    Director of Research

    Dr. Saleska is an epidemiologist and behavioral scientist whose research centers on clinical research and people’s choices and experiences surrounding their health.

    She completed a postdoctoral fellowship at UCLA’s Semel Institute for Neuroscience and Human Behavior and received her PhD in epidemiology from Ohio State University. Her research has been published in JAMA Pediatrics, BMC Women’s Health, BMC Public Health, and more.

  • Peter H. Diamandis, MD

    Chairman of Advisory Board

    Founder of XPrize,
    Cofounder of Singularity University

    Named by Fortune as
    "One of the World's 50 Greatest Leaders"

  • Dr. Jonathan Fielding, MD/MPH

    Professor
    UCLA Jonathan Fielding School of Public Health

    Former Director
    Los Angeles Department of Public Health

    Former Advisor
    U.S. White House

  • Dr. Noah Federman

    Director
    UCLA Clinical Translational Research Center

    Professor
    UCLA Pediatric Oncology and Orthopedics

  • Katharina Sophia Volz, PhD

    MIT’s 35 under 35 Forbes’ 30 under 30

    Stanford’s first PhD
    Stem Cell Biology & Regenerative Medicine

  • Dr. Jill Waalen, MD/MPH

    Co-director, Biostatistics
    Scripps Research Translational Institute

    Senior Staff Scientist
    Scripps Research

  • Derek Lowey, PhD

    Clinical Psychologist

    Cofounder
    Stanford Sleep Disorders Center Insomnia Program

    Director
    Scripps Clinic Sleep Center
    Behavioral Sleep Medicine Program

  • Vicki Seyfert-Margolis, PhD

    Former FDA Senior Advisor
    Science Innovation and Policy

    Former Director
    Office of Innovative Scientific Research Technologies, US National Institute of Allergy and Infectious Diseases

  • Ryan Vandrey,
    PhD

    Professor
    John Hopkins University
    Behavioral Pharmacology Research Unit

  • Chris Colwell,
    PhD

    Professor
    UCLA Psychiatry & Biobehavioral Science

    Director
    UCLA Laboratory of Circadian & Sleep Medicine

  • Dr. Sherry Franklin

    Medical Director
    United Healthcare

    Associate Professor
    University of California San Diego

Study Volunteer FAQs

Be a volunteer citizen scientist!

IN COLLABORATION WITH FACULTY FROM

Join the Radicle Mission!

Make history in some of the world's largest gold standard research studies on supplements 

Receive a 6-weeks supply of a health product at NO COST to you 

Be part of a revolutionary VIRTUAL trials that include a diverse population 

Contribute to science and prove the efficacy of natural health products

Receive a personalized health report when you complete the study 

Be a volunteer citizen scientist!

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