Creatine aids in the production of power, whilst beta-alanine aids in the prevention of weariness. In effect, it can assist you in getting more out of interval training and other workouts. Both ingredients are highly recommended by athletes and fitness enthusiasts who want to improve their performance. Beta-alanine is not new to sports nutritionists and athletes. It has been used for years by people who want to enhance their ability to push themselves harder during exercise. Much research has been done on its effects on muscle strength and power, and the results are clear: People who take beta-alanine prior to athletic events report being able to work out longer without feeling tired or weak. However, recent studies have shown that beta-alanine may have additional benefits for individuals who aren't actually going for a high score but still want to get stronger and more resilient. For example, researchers at McMaster University in Hamilton, Ontario, reported in the journal European Journal of Applied Physiology that subjects who took beta-alanine before performing a series of exercises believed to be responsible for causing stress fractures in long-distance runners were less likely to suffer from these injuries than a control group. The study also found that those subjects who did develop stress fractures tended to break down rather than heal after they had been removed from training for several weeks.