When you take the right form of zinc lozenge to fight off a cold, it works every time. The best forms are zinc gluconate, acetate or gluconate-glycine. They work best when they do not contain citric acid, tartaric acid, sorbitol or manitol.

Several studies show that taking 13-23mg of zinc lozenges every 2 waking hours can fight off a cold in about 4 days compared to 7-11 days with a placebo (Antimicrobial Agents Chemother 1984; Ann Intern Med 1996; Ann Intern Med 2000; J Infect Dis 2008). A review of the research found that when at least 75mg of zinc lozenges was used in a day, people got better significantly faster in 7 out of 8 studies (Open Respir Med J 2011).

And now a new meta-analysis adds to the evidence. . . .



The newest zinc lozenge study is a meta-analysis of three placebo-controlled studies. They all used the effective form of zinc lozenge: zinc acetate. The researchers found that the zinc lozenges lessened the length of the cold by nearly three day.

The average length of the common cold in the three studies was seven days. But taking zinc acetate lozenges shortened the cold by 2.73-2.94 days: that’s a big improvement!

The study found that zinc lozenges are effective across a wide range of cold sufferers. The natural treatment worked for both genders, different ethnic groups, varying ages and even for people who smoked or had allergies.


British Journal of Clinical Pharmacology 2016;doi:10.1111/bcp.13057



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For much more on preventing and treating colds, see our book, The Family Naturopathic Encyclopedia.

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