All caffeine is the same, but coffee contains many alkaloids other than caffeine, and different coffees have different chemistries.
There is a taste difference between caffeine and no-caffeine versions of the same soda.
Caffeine is a chemical that remains in the same form no matter what it's actual source is. So yes, the caffeine in tea and the caffeine in coffee is identical, but for it's concentration (the amount of it in the drink).
Caffeine from any source, be it tea leaves, guarana seeds, coffee beans or from a synthetic manufacturer, will always be the same chemical, otherwise it could not be called caffeine. From any source, caffeine will be C8H4N10O2, and will have the same properties.
No. Barq's has caffeine
Caffeine and coffee are not the same thing. Caffeine is an ingredient found naturally in coffee. It is also naturally found in cocoa.
you can have caffeine
Caffeine is a chemical compound, not a mixture.
It is a fraud, no caffeine in coffee. In fact, caffeine does not exist. All in your head
Yes, eating coffee grounds can give you caffeine because they contain the same caffeine that is found in brewed coffee.
Tea bags are only used once. If you continue to use the same brand, the same small amount of caffeine is available with each cup
No, sugar and caffeine are two separate entities. Caffeine can keep you awake and make you hyper. Sugar is one of the fast body fuels but in excess it can add to your weight. A sugar free item uses a replacement for the "sugars". (Fructose is a common sugar.) A caffeine free item has no caffeine in it.
Yes, although Coca-Cola Zero has no Calories, Sugar, or anything considered "bad" for you it does have some caffeine.