Protein shakes have carbohydrates your body can use to fuel the exercise. Protein shakes are small enough that you can drink them an hour before your cardio workout and have the energy you need.
Orthodontic braces can correct many dental issues, including crooked teeth and jaw misalignment, improving both the aesthetics and function of the teeth. Although braces are highly effective at correcting alignment, braces can cause pain and discomfort as the teeth are repositioned, and may even cause headaches.
Perhaps the greatest advantage of Invisalign over traditional metal braces is that Invisalign is less likely to cause pain. While Invisalign can cause some pain while pushing teeth into position, it is often far more painful with a set of braces.