Awasome Can Too Much Vitamin C Cause Sore Throat 2023. A sore throat that develops suddenly. Web although having too much vitamin c is not exactly harmful, there are a variety of unpleasant side effects.

The upper limit for all adults is 2,000 mg a day. Web an excellent treatment for an existing sore throat or to prevent an infection from taking hold is megadoses of vitamin. Web a sore throat is a scratchy painful feeling in the back of your throat.