Be part of history's largest studies 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

200+

Products studied

65,000+

Radicle volunteers

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

You answer short weekly surveys and a questionnaire

Receive a personalized health report when you complete the study

Join a Radicle Study!

Our Radicle Team

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

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