Natural Factors Quercetin 500 mg with Zinc & Copper is a one-per-day blend of specially selected nutrients to help support the immune system. Quercetin is a plant-derived antioxidant bioflavonoid that works in harmony with zinc and copper. Taken together, these nutrients help in energy metabolism and tissue formation, help form red blood cells, and help maintain healthy bones, hair, nails, and skin. This non-GMO formula is suitable for vegetarians and vegans.
 
Helps support immune function
Helps in energy metabolism and tissue formation
Helps form red blood cells
Helps maintain healthy bones, hair, nails, and skin
Provides antioxidants