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. When you work hard and play smart, you don’t have room for compromise. ZERO sugar or artificial dyes is just another reason why C4 Ultimate Energy™ Carbonated is the smartest decision you’ll make all night. 300mg CAFFEINE - Per serving of 16 fluid oz. COGNIZIN® CITICOLINE - Clinically studied ingredient that supports mental focus A 12 fl. oz can of Amin.O. Energy Plus Electrolytes Sparkling Hydration Drink contains: 5 calories. 100mg caffeine (an ideal amount, in my opinion) 5g amino acids (Amino Blend of L-Threonine, L-Leucine, L-Citrulline, L-Theanine, Sustamine L-Alanyl, L-Glutamine, Micronized Taurine, L-Lysine Hydrochloride) 0g total fat. The amount of caffeine found in hot chocolate varies by brand, but if you get it in-store at Starbucks, one 16-ounce serving has 25 milligrams of caffeine. The same size at Dunkin' has just 6 milligrams of caffeine. If you were to make your own at home, brands like Nestle claim they're 99.9% caffeine free. How much caffeine is in Celsius Energy Drinks? Celsius Energy Drinks have a caffeine content that ranges from 100 to 300 mg which is a pretty good figure for most people. I personally prefer more or less 150 mg of caffeine per serving but not more than 300 mg for the entire day. That being said, Celsius seems to be the perfect energy drink for me. Each can of C4 Energy has a caffeine content of 120 to 200 mg, which means it’s perfectly safe to drink two cans max of it every day. However, I wouldn’t recommend drinking two cans unless you really need it as you’re getting caffeine from other food and beverages that you might consume throughout the course of the day. Caffeine | C8H10N4O2 | CID 2519 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety This article tells you how much caffeine is in white tea. Energy drink: 164 mg per regular can (16 ounces/473 mL) Soda: 34 mg per regular can (12 ounces/354 mL) Summary. You can buy C4 Pre-Workout in two different sizes: 30 Servings (195g) costs $29.99; 60 Servings (390g) costs $49.99; It’s available on the official Cellucor website or on Amazon, but it’s often sold out. How Does the C4 Original Pre-Workout Work? C4 is much more than just a caffeine-filled energy drink. 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 ). sxfqIn.