In lab studies, large amounts of zinc have been shown to block cold viruses from adhering to the nasal lining and/or replicating themselves however evidence is preliminary and inconclusive and further study is needed to reach a conclusive agreement among scientists and the FDA.
1/2 FL OZ
Suggested Usage
Children up to 12 years old: 1 drop orally.
Children over 12 years old: 3 to 4 orally. Repeat every 4 hours until relief of symptoms or as directed.