Give your immune system some serious backup with Swanson Extra Strength Zinc Picolinate. Delivering a powerful 50 mg in each single-serving capsule, this body-preferred form of zinc is more readily absorbed within the body and provides the nutrition you need for a strong immune response . As a key essential mineral, zinc unearths a plethora of immune support that's worth fighting for. This mighty mineral defends immunity by boosting antioxidant activity, encouraging natural killer (NK) cell production , fighting against free radicals and protecting cellular structures. Zinc is also responsible for aiding over 300 enzymes to regulate bodily processes. Needless to say, this multitasking mineral is busy and it's here to work for you! There are a lot of different types of zinc though, so why this one? Our specialized zinc picolinate formula provides a convenient single serving capsule that you only have to take once a day. That means you can fortify your immune health and go about