St. Francis RespiraCleanse Tincture for Cold & Flu 50 mL Vitamins & Supplements and can play a role INR Testing and can play a role in the alleviation of chronic pain L Glutamine’s importance toward good immunity is known to be two fold: it directly supports the immune system during times of stress through its ability to help produce glutathione The liquid format allows for convenient dosing and is well suited for adults looking to add herbal respiratory support to their wellness routine during seasonal illness This herbal tincture is traditionally used in herbal medicine to help relieve symptoms associated with colds and minor respiratory tract infections while supporting healthy respiratory function