Creatine and beta-alanine, when taken together, can significantly improve exercise performance by increasing strength and endurance. They are generally safe, but minor side effects such as digestive ...
It’s one of the most widely researched amino acids for pre-workout.
Beta-alanine is a popular supplement found in many pre-workout formulations. While many people know it as the ingredient which causes the "tingling" sensation, it does much more than that.