Energy becomes a problem for everyone at some point in their lives, and the issue can strike at any age. Teenagers who are overwhelmed with school, work and home responsibilities can have problems with energy levels, just like adults and even senior citizens. If energy is a problem on a daily basis, look into taking energy supplements to help you through the day. Natural energy supplements are available in health food stores and specialty shops, as well as in regular department stores and even online. Research the energy supplements you want to take before ingesting anything, and consider talking to your doctor to see if something else could possibly be wrong as well.