A healthy pre-workout drink, powder, or oral supplement typically contains caffeine and creatine to boost your energy. Pre-workout may cause side effects, such as diarrhea, fatigue, and weight gain.
Caffeine helps to improve concentration and increase alertness. One 250-ml can of Red Bull Energy Drink contains 80 mg of caffeine. The 80 mg of caffeine contained in one 250-ml can of Red Bull ...
Enjoy this balance- and energy-building workout taught by fitness expert Kathy Smith. All you need is a chair for this easy workout in your own home. All Featured Videos 10-Minute Balance-and-Energy ...