C4 Sport Pre-Workout Powder. The original pre-workout for athletes, C4 Sport contains an ensemble of ingredients including caffeine, beta-alanine and creatine monohydrate to ensure lasting energy and performance throughout any workout. NSF Certified for Sport®, C4 Sport has been engineered by athletes—for athletes.*.
Since caffeine has a 5-hour half-life on average, this means that if you drink a serving of C4 Ultimate (300 mg of caffeine per serving) at 1 pm, you’d have about 150 mg of caffeine in your system at 6 pm. Being mindful of caffeine content and its half-life can be helpful for choosing which C4 RTD is right for you.
Too much caffeine can be bad for you and can have severe side effects on your body. How Much Caffeine Should You Have Before A Workout. Before a workout, the minimum caffeine intake to have reliable, significant effects is 150mg. This is why we see 150mg as the lower limit of caffeine in pre-workout supplements and often in energy drinks, etc.
What can make energy drinks addictive to some people is they contain several potentially habit-forming substances, such as caffeine, as well as sugar or artificial sweeteners (3, 4, 5).
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how much caffeine is in c4 energy drinks