Sorry, I am a. Retired special. Educator,...oh yes how I remember all the illnesses from our kids LOL.....not sure we can take ( my surgery is Feb17) but I take Liposome Vitamin C from the Dr. Mercola website....I have autoimmune issues already, people were around me all holiday season, sick, really SUCK....I DIDNT CATCH A THING!!! I am not suppose to be near I'll people !!!!