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Immune Health2-In-1 FormulaDietary SupplementPotent Antioxidant Combo Reinforces Your Body's DefensesVitamin C With Highly Bioavailable Zinc for Immune Health SupportScience-Backed Quality Since 1969Supercharge your body's defenses with Swanson Zinc & C! The antioxidant capabilities of zinc and vitamin C make them excellent teammates for immune system support. These great-tasting lemon- and orange-flavored lozenges combine 100 mg of vitamin C with three high-bioavailability forms of zinc for immune-boosting nutrition.