Having over indulged last week with food and sleep that first day back to work was a struggle. (This could be when you have been on leave as well as the Christmas break) By 10am I felt I was flagging mentally and physically. I took an E9 with water, packed full of vitamins, minerals and natural caffeine and felt able to complete my day at the office. It encouraged me to go for a walk at lunch time and enjoy the fresh air when it would have been so easy to stay in the warm office. I always have an E9 on me now for that energy boost.  Brilliant to use in the gym for your training sessions as well. This is a dual purpose energy supplement giving a slow release of energy over 4 hours without that awful crash you get from the sugar laden cans of energy drinks. (Posted by Liz Elmore)