Free Shipping on All Orders $75 Or More!

Your Trusted Brand for Over 35 Years

Clinical Trials

Life Extension Clinical Research, Inc., engages in cutting-edge clinical trials with the goal of extending the healthy human life span and defeating disease. Our clinical research is designed to explore the potential of innovative dietary supplements, pharmaceuticals, topicals (cosmetic), and medical devices.

Active Clinical Trials

Help Us Discover More About NAD+ Levels & Aging

Life Extension® Clinical Research is conducting a study on NAD+, a form of B vitamin that plays a key role in longevity and energy. Our primary goal is to identify the ideal dosage to increase blood NAD+ levels.

Participants will receive:

  • Up to $250 for time and travel expenses*
  • One $100 gift card toward purchases from the Life Extension Nutrition Center (upon completion of the study) 
  • $50 referral bonus
  • Lab test reports and blood pressure evaluations

*$250 will be received for completion of the clinical trial. A pro-rated amount will be received for partial completion of the study.
If you refer someone who completes this study, you will be compensated $50.

Interested In Participating In Future Studies?

Play an important role in the research process.
Be among the first to potentially benefit from cutting-edge therapies, including innovative nutritional approaches, that may improve your quality and length of life.

By participating in a study, you may also receive:

  • Blood Tests
  • Blood Pressure Checks
  • Dietary Supplements
  • Study Product
  • Gift Cards
  • Compensation for Time and Travel

Make a difference for yourself or someone else now.

Enroll Now

Or call for details: 1-866-517-4536