Too much caffeine from any beverage, particularly when several are taken in one day in sensitive individuals, can lead to anxiety, insomnia, heart problems like irregular heartbeat and elevated blood pressure, and in rare cases seizures or cardiac arrest. Some energy drinks may contain as much as 500 mg per can (the amount in 14 cans of cola A 16 fl oz can of C4 Smart Energy Drink contains 200 mg of caffeine, and a 12 fluid ounce can has 150 mg of caffeine. What are the main ingredients in C4 Smart Energy Drink? The main ingredients in C4 Smart Energy Drink are caffeine derived from green tea extract, Cognizin® Citicoline, N-Acetyl L-Tyrosine, and natural flavors. Caffeine is one of the primary ingredients in many pre-workout supplements. This stimulant has been shown to increase muscle strength and output during exercise while reducing fatigue ( 1 , 2 , 3 ). In the middle of the pack are Alani Nu Energy Drinks (200 milligrams of caffeine and some B vitamins), GHOST Energy (200 milligrams of caffeine plus a slew of energizing herbs and other ingredients), and Cellucor C4 Energy (200 milligrams plus B vitamins and a couple of other boosters). 3 days ago · Depending on how much caffeine (energy drinks) contain – some people have had a dangerous irregular heart rhythm after drinking energy drinks." The same goes for sugar, which is also often found Generally, though, the decaffeination process strips about 97% of the caffeine content from the coffee—the National Coffee Association notes a typical cup of decaf has about 2 milligrams of Energy drinks such Red Bull contain anywhere from 27 to 164 milligrams (mg) of caffeine per serving, whereas sodas typically contain between 24 and 46 mg per serving. Caffeine's stimulating effects may allow a person to feel more alert, and therefore they may be more likely to drink more alcohol than usual without feeling impaired. Every can is packed with 200mg of caffeine for explosive energy you can feel. ENHANCED ENDURANCE With records to beat and PRs to reach, you don’t have time for fatigue. C4 Performance Energy® fights muscular fatigue and powers enhanced muscular endurance with clinically studied CarnoSyn® Beta-Alanine. Vay Nhanh Fast Money.

how much caffeine is in c4 energy drinks