Been pretty sick the last few days and have been slamming one or two of these everyday. Maybe its just one of those 'its comforting to have something you are able to do about this situation things' which I am fine with but it would also be nice if it had a real effect.
I believe vitamin c is more of a preventative than a treatment. you won't recover any faster but if it gives you comfort while your are I'll then it's a small boost to your mental health.