Redoxon® Double Action Vitamin C + Zinc orange effervescent tablets. Helps prevent colds.* Helps reduce duration and severity of colds.** Helps to support your immune function. Get 10 oranges worth of vitamin C in one tablet. †ǂAlways read and follow the label. *Helps prevent colds in those undergoing physical stress. **Helps provide a modest reduction in the duration and severity of colds when taken regularly. †When diet is not enough. Redoxon® is not meant to replace food. ǂEquivalent to the Vitamin C of 10 raw oranges. Data on file.