
Tired and exhausted – then only a cup of coffee will help. In the office among colleagues, seemingly vital, coffee has not just advantages. Tannins in coffee ensure that teeth show exactly how those grumpy in the morning start their day. And those tannins have other disadvantages. Drinking coffee with breakfast inhibits the absorption capacity of the trace element iron. And, as is well known, iron is important in the transport of oxygen. What do alternative stimulants look like?