Here’s What’s Actually Inside The McDonald’s Shamrock Shake

It's green, minty, (debatably) delicious, and absolutely not health food.

Every March, McDonald's reissues its infamous mint-flavored "Shamrock Shake" to celebrate St. Patrick's Day.

And some people are really excited about it!*

im at work but im daydreaming about infusing vodka into a Shamrock Shake

*The Shamrock Shake is very contentious on social media. But whether you hate it or love it, the green milkshake is basically a March tradition.

Fun fact: It's probably older than you are (it first debuted in 1970), so it seems that some people love them enough for McDonald's to keep bringing the shake back year after year.

But what's actually inside this bright green drink?

A medium Shamrock Shake has 78 grams (or about 20 teaspoons) of sugar. That's a lot of sugar.

That said, the other McDonald's shake flavors (chocolate, strawberry, and vanilla) have similar amounts of sugar. So the Shamrock Shake isn't particularly bad compared with its peers.

But keep in mind that one Shamrock Shake has nearly *two and a half times* the maximum amount of added sugar that's recommended per day.

That said, if you're in the St. Patrick's Day spirit or you have a big sweet tooth, go for it — one shake probably won't hurt.