• 25 grams of carbs, ZERO grams of sugar
  • Fast absorbing carbohydrate, hydration with electrolytes
  • Lowest serum osmolarity
  • Sustained release of glucose for added endurance
  • Clinically proven electrolyte blend
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Glyco-Durance™ represents the dawn of a new era in carbohydrate supplementation. Three key elements help to reduce digestive upset while increasing physical endurance and performance. Karbolyn Endurance™ is derived from non-GMO potato and rice and this natural bio-engineered high performance carbohydrate offers rapid absorption and sustained energy. Karbolyn Endurance™ uses a proprietary multi-stage enzymatic milling process to reach optimal molecular size, yielding a superior natural bio-engineered carbohydrate for quick gastric emptying that is rapidly absorbed into the bloodstream without any side-effects like stomach bloating or cramping. The second key element is a scientifically-developed electrolyte blend based on real-time absorption. The last key element is Sustalyn® which is clinically proven to stimulate glycogen production and enhance electrolyte and water absorption in the intestine by up to 27%.


  • Glyco-Durance™ is free from all artificial flavors, colours, sweeteners and preservatives.
  • All ingredients are WADA compliant and in compliance for ITU, IOC, UCI, NCAA, NFL, NBA, NHL, MLS and MLB. Every batch of Glyco-Durance™ is third party tested for banned substances by a world-class sports doping control laboratory.

How To Use

MIXING INSTRUCTIONS Fill bike water bottle or container with 16 oz of warm / room temperature or warm water. Add 2-3 scoops of Glyco-Durance™ one scoop at a time and shake 10 seconds after each scoop to avoid clumping. When product is blended add the remaining 6 oz of water. Let sit for 10-15 minutes and shake again for 30 seconds before drinking or dispensing into a 22 oz bike water bottle.

MAKING A SUPER BOTTLE (in a blender) Add 8-12 scoops* (100 calories per scoop) one scoop at a time of Glyco-Durance™ into 14-16 oz of warm / room temperature water and blend for 15 seconds per scoop. Transfer into bike bottle and top up with water and drink over 2-3 hours. We recommend a ratio of 6-10 scoops of Unflavoured or RAW with 2 scoops of flavoured Glyco-Durance™ or flavoured to taste. This will give you a concentrated or customized bottle with 800-1200 calories. Remember to drink water to stay hydrated when using a Super Bottle. To increase the amount of electrolytes add scoops of F2C Electro-Durance.™

Glyco-Durance™ can be prepared and frozen in your bottle for your convenience.

When To Use


Nutrition Panel

all electrolytes are listed in ELEMENTAL dosages and not INPUT dosages


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