date:Nov 06, 2018
Research supports the use of vitamin C during a common cold to reduce the duration of symptoms. Typically, the higher the dose you take the better the results during a cold. However, there are limitations when taking oral vitamin C, as it can cause loosen bowels.
You can get higher doses when using intravenous vitamin C or liposomal vitamin C.
As a general rule, the experts do not recommend high doses of vitamin C unless it is in liposomal form. They also do not recommend long-term or chronic