hi all , i am curious what juices mix with koolada will much more refreshing and awake? due to i am working for night shift around 12 - 15 hours for my jobs so i need so juices that can make me refresh / awake more. i have tried using red bull but don't seem to effective to me at all. please kindly guide me so that i can use it on my working time. currently i am using vapage vmod xl. thanks!