Zinc lozenges that dissolve properly in your mouth can help you get over a cold faster, cutting down how long you're sick by up to a week.

Zinc lozenges with a certain chemical property might make your cold last longer—specifically, about 4 extra days—instead of helping you get better faster.

This claim says that zinc lozenges might help shorten colds, and the more zinc your body can use from them, the faster your cold might go away.

Taking zinc lozenges when you have a cold might help you get better faster, cutting down how long you're sick by about one-third.

Taking zinc acetate lozenges when you have a cold might help you get better faster, cutting down how long you're sick by about 2 to 3 days.

Zinc lozenges with more ionic zinc seem to help shorten colds faster, based on studies with lots of people, but the total amount of zinc doesn't matter as much.