HIIT for Fat Loss and Muscle Gain: Is It Really Safe for Beginners?

Have you heard of HIIT before? No idea… but it sounds powerful, right? If your goal is to lose fat and build a lean, strong physique, HIIT is a perfect solution, especially for beginners. But before you jump in, there are more important questions: Is HIIT actually safe for beginners? Why is it easy to overdo it?
four person doing different HIIT exercises while a personal trainer oversees the time they spend using a stopwatch