Progressive Laboratories Coryza Forte250 CapsulesCoryza Forte is a blend of nutrients, in capsule form, intended for nutritional support of the immune system, particularly in the upper respiratory tract. It contains raw trachea, thymus, spleen, lymph, and RNA to promote drainage of congested tissue and to support the immune system. Raw Adrenal is present as is Vitamin C to stimulate the adrenals and the body"s defense mechanisms. It is believed that the cell resulting in the production of interferon, the body"s anti-viral substance absorbs the deoxyribosides contained in pollen. Bioflavonoid (sometimes called Vitamin P) assists Vitamin C in maintaining capillary integrity and regulates vascular permeability. Pantothenic acid plays an important role in the body"s immunity mechanisms. Calcium is necessary for maintenance of membranes and zinc is important in the synthesis of antibodies.