Active ingredient in Kirkland Signature Mucus Relief - Guaifenesin is used to relieve cough and stuffy nose caused by common colds, bronchial bronchial and other respiratory cases. Guaifenesin is a substance that dilutes and liquids mucus in the airway (helps loosen phlegm), improves congestion, and makes breathing easier and helps your cough move. More efficient positive transformation. Helps loosen phlegm (muscus) and bronchial secretions to remove unpleasant mucus through bronchial tract and make cough more. What is "mudge"? While we all need mucus in our body to function properly. Mucus or phlegm increases for many reasons including respiratory infections, flu, allergic reactions and even spicy foods. What is the difference between mucus and phlegm? Both are substances produced by the body. In fact, our body produces 1 to 1.5 liters of mucus per day. Mucus associated with colds or respiratory infections created in the sinus and nose. Phlegm is a mucus produced by your lungs and respiratory system and accumulates when infected in your respiratory system. When you have an allergic reaction or common cold, mucous membranes become more produced and mucus becomes thicker and accumulated in your lungs and throat. Congestion. Relieving methods such as clearing the nose, histamine (Antihistamines) and nasal saline both work to reduce mucus accumulation. Kirkland Signature Mucus Relief contains Guaifenesin – a stimulant and is equivalent to National Brand Mucinex that reduces Mucus and congestion. Kirkland Signature Mucus Relief is a product that works instantly within 4 hours. Guide Drink with a full glass of water. Adults and Children 12 and Up: Take 1 capsule 4 hours per 4 hours. Do not take more than 6 tablets for 24 hours. Children under 12 years old: do not use. If cough or stuffy nose lasts, they can be a symptom of potential medical problems more seriously. When such a situation occurs, consult your doctor or pharmacist. ​​​​Note: This product is not a medicine, it is not a substitute for medicine, the effectiveness of product use depends on the location of each person. Please read the instructions printed on the product packaging carefully before use.