Final answer:
Beta-Alanine is claimed to improve athletic performance, but a specific duration for its effects is not clearly defined. It is intended for use in activities lasting longer than immediate energy systems, although maintaining a healthy diet and exercise regimen remains the most important factor.
Step-by-step explanation:
Beta-Alanine is a popular supplement among athletes looking to improve their performance. While the body uses different energy systems, such as glycogen storage without oxygen for activities that last 1.3-1.6 minutes, Beta-Alanine's effects are a bit different. Although there is no clear consensus on the exact duration Beta-Alanine can improve performance, it is often marketed towards activities that last longer than the energy provided by immediate sources like creatine phosphate (which lasts for about 8-10 seconds) and glycogen usage (which lasts for about 1.3-1.6 minutes).
Furthermore, other compounds like HMB (ß-hydroxy ß-methylbutyrate) are shown to be beneficial in increasing muscle size and strength when taken properly with exercise. However, no specific data provides a precise time frame for performance enhancement specifically from Beta-Alanine. It's important to note that while there are several supplements claiming to improve physical performance, maintaining a healthy diet and proper exercise regimen are the foundational elements for athletic success.