https://www.siliconvalley.com/2023/03/17/is-guinness-beer-really-good-for-you/

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.