[Darius Marshis a student at ECU and an Athletic Development Intern at Athletic Lab]

Are you one of those people who wish they had more energy at the gym; or the burning tingling sensation during your workout? Well, this is what most people would call some of the effects of pre-workout supplements. Although, these feelings or senses are effects the general population consider pros of pre-workout supplements. The general population, as well as professionals argues over the pros and cons of the effects of taking pre-workout supplements for the gym, performance, or sports in everyday life. Individuals are confused on the true effects of pre-workout supplements usually being influenced by biased commercials or retail personnel opinions. The effects of pre-workout supplements may have a negative impact on individuals perception but there are also numerous benefits to these supplements as well.

Pre-workout is essential to many athletes, general population, and body builders today for benefits in different areas of focus. Some of these pre-workouts benefits include things such as mental focus, increased stamina, muscular strength, and muscular endurance. It is important to most people now of days to have that mental focus or drive in the gym to have a successful workout, and this effect can be produced by some pre-workout supplements having a trigger to a person’s stimulus. Many people take the pre-workout supplements because it gives you the extra energy you need or increasing time till muscular fatigue. Another benefit of pre-workout supplements is the increase in muscular strength and endurance. This has been a proven effect to many different individuals whether it be bodybuilders, athletes, or general population. According to a study done by Brandon Bradely on ingesting pre-workout supplement containing caffeine, B-Vitamins, amino acids, creatine, and beta-aline before exercise delays fatigue while improving reaction time and muscular endurance; concluded that taking the pre-workout supplement Muscle Pharm Assault significantly improved perceived feelings of energy, focus, alertness leading to a significant improvement in multi-directional choice reaction time and single-step choice reaction time with an auditory stimulus. This study tested men on their one repetition max percentage of the bench press and leg press using the pre-workout supplement MusclePharm Assault showing delay in fatigue during workouts.

However, pre-workout supplements have been known to negative impacts to people’s performance or health. These negative impacts are to blame on the product and people being unaware if they are medically able to take it without effects. Some of the ingredients in pre-workout supplements such as caffeine can affect the pace of a person’s heart rate to a danger zone. Also making your heart beat have an irregular beat due to the product being used for an aerobic exercise, because pre-workout supplements should be used for anaerobic exercises or short duration lifts. Some people are unaware that they should ask their doctor first for approval to take pre-workout supplement. Any previous medical history of stroke or heart attack could be dangerous taking pre-workout supplements making that event reoccur.

Pre-workout supplements will continue to grow and be useful in the fitness world. Also having improvements made on a better product each year to minimize negative effects. Don’t be afraid to take pre-workout supplements if you want the extra edge or increase in performance just do your research.


Spradley et al.: Ingesting a pre-workout supplement containing caffeine, B-Vitamins, amino acids, creatine, and beta-aline before exercise delays fatigue while improving reaction time and muscular endurance. Nutrition & Metabolism 20129:28.