Halls Defense is a lozenge that may be used to help boost the immune system. Halls Defense contains Vitamin C.
Halls Defense Overview
Halls Defense is an over the counter medication that may be used to boost the immune system. Halls Defense contains Vitamin C, which is a water soluble vitamin. Vitamin C is an essential vitamin and nutrient that helps your body function normally, and can boost your immune system.
This medication comes in a lozenge form and is usually taken as needed, with or without food.
In high doses, common side effects of Halls Defense include dizziness and fatigue, and headache.
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Halls Defense Drug Class
Halls Defense is part of the drug class: