Fresh lemon water is my go to drink of choice, especially after travel! I just take a 1/2 a lemon, squeeze the juice in to my water jug in the morning and refill with 
fresh water throughout the day!
Benefits:
Hydrating
Lemon water is very alkalizing and helps balance pH levels
Aids liver cleansing
High in Calcium, potassium,& vitamin C
Helps rid visceral fat
Natural diuretic