Is caffeine and teine different?
Caffeine and teine is the same substance, depending on the source. The first one is found in coffee, tha second one in tea. Traces of caffeine is found in cocoa plants. But this is the same one organic compound. Basically there is more caffeine in cup of coffee than teine in cup of tea. But e.g. one cup of matcha is reported to have the same amount of caffeine as coffee has (34 mg).
Has guarana and yerba mate got caffeine too?
Yes, this is the same organic compoud which is found in coffee and tea. Because of their source, caffeine drinks vary in the amount of caffeine.
How does the caffeine workin our body?
Once consumed, caffeine is quickly absorbed from the gut into the bloodstream then travels to the liver and is broken down into compounds that affects the function of various organs.
One of the result of caffeine in our body is blocking the effects of adenosine, which is a neurotransmitter that relaxes the brain and makes you feel tired. (Normally, adenosine levels build up over the day, making you increasingly more tired and causing you to want to go to sleep).
Caffeine helps you to stay awake by connecting to adenosine receptors in the brain without activating them. This blocks the effects of adenosine, leading to reduced tiredness. It may also increase blood adrenaline levels and increase brain activity.
Does the caffeine have an impact on brain only?
It’s a central nervous system stimulant that affects your body in numerous ways. Many effects of intake of caffeine are reported, for example:
- Rapid heartbeat
- Preventing calcium absorption in your bones
- Increased blood pressure
- Increased urination