Review Of Zinc Flu References. Studies show taking 75 mg to 100 mg of zinc daily at the first sign of a cold can shorten its duration by about two days. Compared with people who didn't take zinc, those who did commonly complained of upset stomach, problems with taste and mouth irritation.

Web 3 min read zinc is a mineral that's important to the body in many ways. Web too little zinc is clearly bad news for your health. Compared with people who didn't take zinc, those who did commonly complained of upset stomach, problems with taste and mouth irritation.
