Hydration
Without Compromise

Reach your Personal Hydration Goals
at the Turn of a Dial

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Say Goodbye to One-Size-Fits-All Hydration Solutions

Formulas Without Compromise

Clean, healthy formulation:

No Artificial Sweeteners
No Artificial Colors
Keto Friendly
Gluten Free
Dairy Free
Vegan

Exactly the right balance of
electrolytes per cartridge:

1000mg Sodium
250mg Potassium
140mg Calcium
35mg Magnesium

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Personalization Made Easy: The Cirkul System

Our Endurance Formula cartridges plug into the The Cirkul System — the ultimate hydration tool for athletes that want efficiency, flexibility, and convenience.

adjustable hydration goals
seamlessly switch between water and Endurance Formula
Convenient size and format
Bottle stays clean
reduce plastic use by 84%

Dial in Your Performance

Adjust your cartridge to customize your electrolyte flow. A higher setting means more electrolyte consumption. Each cartridge can last from 1 bottle to 20+ bottles depending on your performance and hydration goals.