Mixing instructions: Take one serving (approx. 1 scoop) of C4® Dynasty, mixed with 12 fl. oz. of water (adjust for taste preference) 20-30 minutes before training. Some individuals may experience a harmless tingling sensation, which is attributable to Beta-Alanine. As far as I can tell, C4 original has never been involved in any controversies or scandals, though C4 Extreme was at one point accused of containing a banned substance called Synephrine HCL. And the cool thing is that C4 Original Pre Workout comes in like a billion flavors, like Cherry Lime, Watermelon, and Strawberry Margarita! Energy From the makers of America's #1 pre-workout brand, Cellucor C4 Sport provides a performance and energy boost that helps you in your journey towards becoming the best. C4 Sport includes electrolytes in every serving.

Completing the trifecta of pre-workouts, the time-tested arginine alpha ketoglutarate (AKG) aids vasodilation, allowing you to get a strong pump throughout your training session. This ingredient increases the production of nitric oxide, which leads to the dilation of blood vessels, promoting better blood flow where you need it most—the working muscles.C4 Sport pre-workout combines performance and energy into one, so every base of your workout is covered.

I have my gripes with the C4 lineup, mainly that they use artificial sweeteners and proprietary blends, but as I mentioned above, you'll be hard-pressed to find a brand that doesn't use them.

In any case, 1g of creatine is not a lot. It should help give you a little tiny boost in the gym, but serious lifters who “dose” creatine regularly take it in much higher amounts. Sometimes the jitters and high-energy feeling can be interpreted as anxiety, or can exacerbate anxiety that was already there. Coffee can have a similar effect.