First Endurance EFS Drink Mix Flavor:Grape It fits in most backpacks

It fits in most backpacks

Exercise feels easier

Citrulline malate: this combination helps improve nitric oxide which increases blood flow

NAD declines with age

Active Hydrogel works on minor wounds

First Endurance EFS Drink Mix Flavor:Grape It fits in most backpacksFirst Endurance EFS Drink Mix is light and easy to digest, and we find you can drink it again and again without getting sick of it, or having stomach issues. It provides the ideal blend of carbohydrates, amino acids, antioxidants, and electrolytes to fuel your working muscles and improve your endurance capacity during exercise. This drink mix uses a combination of glucose and sucrose, which helps increase absorption and utilization during exercise.