The Claim
Zinc lozenges that release positively charged zinc ions (Zn2+) at physiological pH shorten the duration of common colds, with lozenges having a zinc ion availability (ZIA) score of 100 reducing cold duration by 7 days.
What the research says
Not yet evaluated
We are still looking at what the research says.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
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.
See the scientific wording
Zinc lozenges that release positively charged zinc ions (Zn2+) at physiological pH shorten the duration of common colds, with lozenges having a zinc ion availability (ZIA) score of 100 reducing cold duration by 7 days.
What the research says
1 studyStudy: Zinc ion availability--the determinant of efficacy in zinc lozenge treatment of common colds.
The study looked at zinc lozenges that release zinc ions and found that ones with a high ZIA score, like 100, really do shorten colds by about 7 days, just like the claim says.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.