Martyn Cornell’s award-winning Zythophile blog, meanwhile, recommends mixing the 7.1 per cent Foreign Extra Guinness with Zero for a pint where “the head you end up with is so thick and stiff ...

Some of its well-known and well-respected brands include, Guinness Foreign Extra Stout, Guinness Smooth, Malta Guinness, Orijin Bitters, Dubic Malt, Gordons Pink Berry, Gordons Orange Sunset ...