The Claim

Zinc lozenges reduce the duration of common colds by 33%.

Source: This $2 Remedy Beats Every Cold Medicine

What the research says

Challenges is higher

Challenge is ahead, but a single strong supporting study can change this.

Supports

47score

Challenges

74score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Cause and effect

3 studies reviewed

In plain English

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.

See the scientific wording

Zinc lozenges reduce the duration of common colds by 33%.

3 studies

Study: Zinc acetate lozenges for the treatment of the common cold: a randomised controlled trial
This study tested zinc lozenges and found they didn't help people get over colds faster—in fact, people taking zinc recovered slower after stopping the lozenges. So it contradicts the claim that zinc lozenges reduce cold duration by 33%.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 3 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.