EnergySource 4:1 is an all-in-one sports drink for use both DURING and AFTER exercise. It contains 4 parts carbohydrate to 1 part whey protein isolate and key electrolytes. 4:1 is the Pro’s choice for hard training and multi-day endurance events. Use 4:1 when you anticipate a big step up in training intensity or volume, such as a training camp.
The ingredients in 4:1 help sustain performance during extended exercise and help maintain hydration by enhancing the absorption of water. Whey Isolate is a high quality source of protein. Protein contributes to the maintenance and growth of muscle mass. This can result in stronger, more resilient muscle.
The Pro’s choice for hard training and multi day racing
High quality protein contributes to the maintenance and growth of muscle mass*
Carbohydrates with electrolytes for endurance performance*
Helps maintain hydration during exercise*
The carbohydrate content of 4:1 is 2:1 fructose
Light tasting and refreshing
Proven in the World’s toughest endurance events
With natural flavours. No artificial colours, preservatives or sweeteners
No lactose as an ingredient. Suitable for vegetarians.
*Effect of the ingredients.
Buy High5 Nutrition from Chain Reaction Cycles, the World's Largest Online Bike Store.