Pre-workout supplements can enhance performance by boosting energy levels, improving focus, and increasing endurance during exercise sessions. Often containing ingredients like caffeine, beta-alanine, and creatine, these supplements can help postpone fatigue, allowing individuals to train harder and longer. The effects may vary based on an individual's metabolism and tolerance. However, reliance on these products can lead to diminishing returns, and potential side effects like jitters or digestive discomfort should be considered. Thus, while beneficial for some, it’s essential to use pre-workout supplements responsibly and as part of a well-rounded fitness strategy.