Source Naturals Aller-Response  is a Bio-Aligned seasonal formula that provides systemic support for the sinuses, lungs, and immune system. Aller-Response features quercetin, which has demonstrated the ability to inhibit the release of histamines, according to human cell culture studies. The formula contains powerful herbs, including ginger, <i>ginkgo biloba</i>, amla, and andrographis, which have been used traditionally for lung, bronchial, and immune health. Vitamins A and C, along with Zinc, provide additional immune support..
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