I discovered the SAME THING - relief, finally, from long strong colds and flus, sore throat etc. by taking Vit C/
Only recently did I start taking even larger doses. You were taking 9 or 10 grams a day, whcih is about right. I am taking up to 20 a day now for a chronic condition and its helping.
But YA HOO this is great to hear your testimony. People with illnesses just gotta TRY it to see, but they don't, so congratulations for breaking through.