TANNINS!This is a great article on how and why tannins work! Unfortunately, everyone just assumes that we have to be gulping down copious amounts of red wine daily to get these! Well, it is not true! It is easy to get these from blueberries, billberries, and black currants! Well, maybe not so easy, at least you won’t be impaired from eating a black currant! Or from taking a Medox!