Welcome to Bob Calvert's Site!

GBG offers the only energy drink in the world certified Low Glycemic by the Glycemic Research Institute (GRI) sweetened with the all natural, Diabetic-Friendly, GBG Peach Sweet™ sweetener!

As a Thermogenic (burn fat cells even while at rest), GREAT Tasting and natural High Energy drink, Energy Matrix™ does not cause blood sugar swings and does not stimulate adipose tissue fat storage like most other energy drinks.

With its LOW Cephalic ingredients Energy Matrix has been approved in clinical trials while sugary and diet (artificial sweeteners don't work) drinks encourage bellyfat and poor health.  These trial programs have been approved by the United States, Canada, and the United Kingdom. 

  • Boost Your Energy with a Smooth Flow 
  • Burn Fat, Even While at Rest
  • Delicious Fruit Flavored
  • Diabetic Friendly 
  • Human Sports Performance Certified
  • Low Cephalic Index Verifed
  • Glycemic Research Institute Approved
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
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