Sports drink formulated for hot conditions
Consume up to 90g of carbohydrate per hour
Maintains your endurance performance
Helps maintain hydration during exercise
Race proven in the World’s toughest events
Light tasting and refreshing
Suitable for vegetarians and vegans

Isotonic is a scientifically formulated carbohydrate and electrolyte sports drink for use during exercise. This is a 2:1 fructose mix similar to EnergySource except for a lower carbohydrate concentration and a higher electrolyte content when mixed as directed. In hot conditions, when sweat rates are high, athletes often prefer a “weaker” mixed sports drink with a lower carbohydrate concentration. This can be consumed more easily at higher volumes.

Research on traditional sports drinks suggests that you can only consume 60g carbohydrate per hour. Using Isotonic with 2:1 fructose, you can consume substantially more carbohydrates, up to 90g per hour. That means you get 50% more energy!

Isotonic helps you to sustain your performance during endurance events and keeps you hydrated by enhancing the absorption of water¹. The electrolyte level in Isotonic should be adequate for most race conditions. However, when sweat rates are very high, we recommend adding a HIGH5 ZERO Neutral tab to every 750ml of Isotonic to boost the electrolyte content further.

Features & Benefits
Consume up to 90g of carbohydrate per hour
Maintains your endurance performance
Helps maintain hydration during exercise
Race proven in the World’s toughest events
Light tasting and refreshing
Suitable for vegetarians and vegans