Most people nowadays work towards keeping their body fit and healthy. Since obesity is associated with health related problems such as; high blood pressure among others. People who are underweight may also appear very unhealthy, therefore; there is need for everyone to keep fit and at the same time, become very healthy. The following are some pre workout supplements to keep you fit. They are believed to be the best not only for the people wishing to keep fit, but also for athletes that need to build muscles in order to gain enough energy to help in the running exercise.