Fasted training, or exercising on an empty stomach, can be an effective approach for increasing exercise-related calorie expenditure. However, this does not negate its drawbacks, which include increased muscle catabolism (protein breakdown) and overall tiredness. Of fact, eating before working out might alleviate many of these disadvantages… But that would contradict the whole idea of the empty stomach issue. This is why pre-workout vitamins are so enticing to people who do fasted training or intermittent fasting—or both. A natural pre-workout supplement may help you get the most out of your fasted training by improving exercise performance and protecting anabolic muscle and strength growth without interfering with the advantages of your…