Energy capsules help in increasing physical and mental energy. They contain a combination of various nutrients, vitamins, minerals, and stimulants that can help increase physical and mental activity. These capsules help in boosting the physical energy you need to tackle day to day activities. Some energy capsules help increase mental activity and focus, as well as help in better sex performance. Energy capsules improve physical and mental health. Some energy capsules can help increase exercise performance and maintain stamina for longer periods of time.