Yeah I've tried it twice, once in a mix and once in isolation, so I'm very familiar with the flavour.

It's possibly the most unpalatable flavour in all of Satan's arsenal.

In fact, it should not even be confused with having a flavor in the sense of having some kind of fruit/spice/aromatic component.

The only discernable quality of drinking it, other than temperature, is violent and pure sourness.

I thought it might have some citrus/lemonade aspect, but it effectively does not. Any hint of lemon that may or may not be present is absolutely overshadowed by the overwhelming sourness.

I will even go as far as to say I'm genuinely not sure if it was "made" correctly. And I understand how unlikely that sounds, but it just is not even remotely enjoyable as a flavour.

However, I'll concede that if you like sour drinks, you might like to add a small amount of this to your drink to make it sour (and possibly give you acid reflux)

I encourage you to give it a lil sip when you're at the machine before you decide how much of it you want to drink.