I am not a newbie but went back in induction for the first time in years and exercised and had eggs and a little cheese and chicken today / my only veggies were 1/2 cup of broccoli and maybe one bite of cucumber / I drank my coffee black

I kept carbs low cause first day back on but I took half a dose of NyQuil to get me to sleep not realizing it has high fructose corn syrup in it!! Will this knock me out of ketosis ? Let's say it's 9.5 carbs for half a dose and my only carbs today came from cheese and a little broccoli

Will I still lose weight ?? I won't take it again!

meh. You will be fine. I doubt it'll knock you out of ketosis but if it does, you know how to get back