Combination of the best natural compounds for fighting allergies Contains exceptional plant substances that help prevent & treat allergic reactions. Spirulina, bromelain, butterbur & maritime pine have anti-histamine effects. Spirulina, butterbur & maritime pine also have anti-inflammatory & immune-modulating properties. Astragalus helps to support general vitality & regulate the immune system. Maritime pine supports respiratory health & has antioxidant properties. Updated formulation reflecting the latest scientific advances.