People nowadays get tired easily and find it difficult to regain their energy levels for the entire day. So to cope up with this problem they prefer Energy pills. These pills are made up of caffeine; various vitamins and herbs. Energy pills stimulate the body and specially adrenal gland which result into more secretion of adrenal hormone. As the name suggests Energy pills give instant energy to the body in a small amount of time. People should consume it carefully as it has got several pros and cons. The positive side of Energy pills is that, it provides instant energy as several cup of coffee provides. More secretion of adrenal hormone gives a pace to the muscles and facilitates energy levels of the body which sometimes result into weight loss. Another part is it can make a person to stay awake for extended hours, which can be helpful for students whenever they need it. On the other side of coin the continuous and long term use of energy pills might lead to severe diseases like heart attack, high blood pressure, nausea and dizziness. Consumption of energy supplements in a proper manner can provide instant energy and boost up metabolism of body.