In fact, a medium 16-ounce (475-ml) cappuccino and medium 16-ounce (475-ml) latte each contain about 173 mg of caffeine ( 1, 2 ). Meanwhile, a 2-ounce (60-ml) macchiato has about half as much The 80 mg of caffeine contained in one 250-ml can of Red Bull Energy Drink is about the same amount as in a cup of coffee. Red Bull Energy Drink 80 mg per 250 ml The caffeine in Alani Nu Energy Drink is derived from natural sources such as green tea and guarana, which are both known for their high caffeine content and potential health benefits. A 12 fl oz can of Alani Nu Energy Drink contains approximately 200 mg of caffeine. Caffeine is the chemical that causes these sensations. But does caffeine have other effects on the brain? Caffeine is found naturally in tea and coffee. But it is added to energy drinks and many types of soda. It’s even put in some snack foods and medications. More than eight out of 10 adults in the U.S. consume caffeine in some form. For some, caffeine can provide increased energy and more focused concentration. But for others, it can cause detrimental side effects, especially in the high doses commonly found in energy drinks. Caffeine is the stimulant substance in coffee — it’s responsible for the energy and wakefulness you feel when you have coffee or other caffeine-containing products. Caffeine is the most commonly used stimulant in the world, and it can be found in caffeinated products such as: Coffee and espresso. Tea. Soda. Energy drinks. Chocolate 3 days ago · The amount can vary greatly: For example, an 8 oz cup of coffee usually has 100 milligrams (mg) of caffeine, while a 16 oz energy drink can contain anywhere from 70 to 240 mg, reports the NCCIH Energy drinks contain high amounts of caffeine, sugar, and B vitamins that provide a fast boost of energy. On the other hand, coffee contains small amounts of caffeine but is full of antioxidants that promote long-term energy levels. A cup of coffee contains at most 80 mg of caffeine, while energy drinks hold up to 320 mg of caffeine, four odj4.