Anti-ageing beer was presented to the world at a German agricultural fair this week - a drink which the brewer says will bring body and soul into harmony. ...
...It is brewed in the normal way, but then key ingredients are added.
There is spirulina algae, which, as the German version of Men's Health magazine notes, is well known to health fanatics as an extra source of minerals.
Another key element is the protein flavonoid, which is supposed to work against cancer.
But this great hope for health-conscious beer lovers has encountered a legal problem.
The Reinheitsgebot, the world's oldest valid law, dating from 1516, states strictly that beer can contain only four ingredients: hops, barley, yeast and water.