Mayo has that rare combination of tasting really gross and being really bad for you. (Usually those two factors are indirectly proportional) It’s difficult to quantify bad taste since that tends to be more instinctive , at least for those who have not been brainwashed by the fear of a dry sandwich. But in terms of being unhealthy, we can take a look at the tale of the tape and abruptly end the argument. Let’s start with the #1 competitors, ketchup and mustard. One serving of standard yellow mustard, has no calories, no fat, no carbs, no cholesterol and only 55 grams of sodium. Hallelujah. In moderation, there’s really nothing wrong with ketchup as well. For example, Heinz tomato ketchup only provides 15 calories, 4 grams of