Watermelon is a fresh sweet summer fruit which has high amount of vitamins, Minerals and antioxidants with low amount of calories. It also contains amino acids that actually:
1- Reduce muscle soreness
2 - Improve recovery time for a hard workout
3- Help the muscles to get more oxygen during workout
That's why a lot of athletic trainers recommend to drink concentrated watermelon juice before strength workout. So try it yourself and feel empowered.