Is Guinness Really Lower in Calories Than the Average Beer? Guinness is also lower in calories than the average beer, even though it has a richer mouthfeel and fills you up. Bamforth says Guinness ...

A 12-ounce serving of Guinness Draught has 125 calories. By comparison, the same size serving of Budweiser has 145 calories, Heineken has 142 calories, and Samuel Adams Cream Stout has 189 calories.

Here’s more potentially good news about Guinness: Despite its rich flavor and creamy consistency, it’s not the highest in calories compared with other beers. A 12-ounce serving of Guinness ...