Health Blog — polyphenole
Caffeine tablets, Guarana capsules or Teein - a comparison
grüner tee guarana koffein polyphenole teein wachmacher
Surely you know the situation: You wake up in the morning, the night was much too short and you have to be awake and motivated at work or study within the next hour. Since you need a short-term energy boost, you naturally reach for coffee to get a caffeine boost. But what alternatives to coffee are there and how do they work? In this blog post you will learn what types of caffeine there are and how to use them effectively.