Hi - I take vitamin C every day to ward off colds, and it seems to be working.
I don't vitamin C comes in acidic foods such as oranges, which can rot your teeth.
Wow, I didn't know that!  That's not good!
Give me a shot of B-12 instead any day.  The only thing vitamin c is good for is preventing scurvy.
That's interesting!  I take the Vitamin C in pill form, so I don't think I have to worry about it harming my teeth!
Vitamin C
Vitamin C, also known as ascorbic acid and -ascorbic acid, is a vitamin found in various foods and sold as a dietary supplement. It is used to prevent and treat scurvy. Vitamin C is an essential nutrient involved in the repair of tissue and the enzymatic production of certain neurotransmitters. It is required for the functioning of several enzymes and is important for immune system function. It also functions as an antioxidant. 
Current evidence does not support its use for the prevention of the common cold. There is
trials in humans have shown that it is unlikely to be a "miracle pill" for cancer and more research is necessary before any definitive conclusions about efficacy can be reached. A 2010 review of 33 years of research on vitamin C to treat cancer stated "we have to conclude that we still do not know whether Vitamin C has any clinically significant antitumor activity. Nor do we know which histological types of cancers, if any, are susceptible to this agent. Finally, we don't know what the recommended dose of Vitamin