Do not require a doctor's prescription. Contain No Dyes.

Best Sellers Rank: See Top 100 in Health & Household. Material Feature: Guaifenesin is used to help clear mucus or phlegm (pronounced flem) from the chest when you have congestion from a cold or flu. It works by thinning the mucus or phlegm in the lungs. Guai-Aid capsules are formulated to allow proper release of the drug. Non formulated capsules release raw guaifenesin which can irritate the stomach lining and have a very short accting effect. See more. Diet Type: Vegetarian. Age Range (Description): Adult. Brand: GUAI-AID®. Item Form: Capsules. Country of Origin: USA. : B07MW9867D. Manufacturer: Health Products Express, Inc. Date First Available: January 17, 2019. Product Dimensions: 7.5 x 3.5 x 3.5 inches; 1.08 Pounds. Is Discontinued By Manufacturer: No.