25% Alcohol, according to this medical site:
https://www.healthtap.com/topics/how...es-nyquil-have
I don't want you to feel worse, but you, and other SR folks, should know that these "over the counter" "safe" medications can be anything but. I remember a story I read about Spencer Tracy, who was such a terrible alcoholic that even rum flavouring in dessert would set him off on a binge. It's hard enough trying to avoid the alcohol we can see, much less the stuff that's hidden in plain sight!