Each can of C4 Energy contains 200 milligrams of caffeine, which is equivalent to about two cups of coffee. This caffeine level can provide a significant energy boost, but it’s also important to monitor your overall daily caffeine intake. That said, the C4 Ultimate Carbonated (16 oz.) has 300 milligrams of caffeine. Caffeine concentrations in various foods — coffee, tea, soft drinks (cola), chocolate, energy drinks, etc — are highly variable. [5] For example, a cup of coffee may contain approximately 50–200 mg of caffeine, but the amount per cup is highly variable depending on the type of bean, how it is roasted, and how it is prepared. C4 Ultimate is loaded with 300 milligrams of caffeine for rapid energy, 25 mg of TeaCrine® for a longer-lasting energy release, Kinetiq™ which is a unique form of Citrus Aurantium for thermogenic support, 400 mg of N-Acetyl Tyrosine, 1 gram of Taurine, and Huperzine A (from Toothed Clubmoss) which work synergistically to increase focus and One study showed that caffeine increased fat burning by as much as 29% in lean people, while the increase was only about 10% in obese individuals . The effect also appears to decrease with age and m6Lv.

how much caffeine is in c4 energy drinks