Guinness, like other Irish stouts, enjoys a seasonal popularity every St. Patrick’s Day. It has also been touted as being “good for you,” at least by its own advertising posters decades ago. But can this creamy, rich and filling beer really be added to a list of healthy beverages? Or is its reputation just good marketing? We researched the beer’s history and talked to brewing experts and break out the good, the not-so-great and the ingenuity of Guinness. The good The original Guinness is a type of ale known as stout. It’s made from a grist (grain) that includes a large amount of roasted barley, which gives it its intense burnt flavor and very dark color. And though you wouldn’t rank it as healthful as a vegetable, the stouts in general, as well as other beers, may be justified in at least some of their nutritional bragging rights.