Quick Answer
Use iHerb discount code KHQ339 at checkout.
Immune Support50 mg Elemental ZincOptimal AbsorptionMineral SupplementSupports Immune FunctionEssential Nutrient for Healthy VisionBoost Antioxidant ActivityScience-Backed Quality Since 1969Swanson Health Products has a lot of quality options when it comes to zinc but more customers today are requesting Zinc Citrate than any other available form. Maybe it's because healthcare professionals routinely recommend this form for optimum absorption.