| Brand | First Endurance |
| Main Purpose | Cycling |
| When To Take | During Workout |
| Type | Electrolytes |
| Volume | 2.31 lbs |
| Formulation | Drink |
| Features | Caffeine-Free |
| Dosage | 35 grams |
| Flavor | Sour Watermelon |
| Country Of Origin | United States |
Each of these add taste without being overwhelming. First Endurance EFS Energy and Hydration Drink Mix is made to fuel your toughest rides and races. This drink mix is a scientifically formulated blend of carbs and five essential electrolytes to keep you hydrated and fueled.