Active substance

Zinc Acetate Anhydrous, Zinc Gluconate, and Sambucus Nigra Flowering Top

3 products from 1 companies contain this in United States.

3 without prescriptionBar, ChewableTabletLozenge

Available without a prescription

Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.