Showing the single result

Vitamin Institute

Dr. John A.A. Thomson, founder of the Vitamin Institute and maker of SUPERthrive, is listed by 33 differently-titled Who’s Who Directories. First chemist to win the Life-time Achievement Award from Lawn & Garden Marketing & Distribution Assoc (2006). Won Science & Industry Gold Medal, World’s Fair 1940.

  • SUPERthrive - Vitamins & Hormones


    Used by growers for decades… Why? Because it helps everything grow better!

    $11.95 $6.72