Benylin Extra Strength Chest Congestion & Cold Syrup, 250 mL, is specially formulated to relieve chest congestion. Get fast, effective relief of wet cough, nasal congestion, and sore throat pain. Each 5 mL or 1 teaspoonful (tsp.) contains 200 mg of expectorant Guaifenesin to relieve chest congestion and 15 mg of analgesic Menthol to relieve sore throat pain and relieve nasal congestion. To use, Adults and children 12 years and older, take 2 tsp. (10 mL) every 6 hours as needed. Do not exceed a total of 8 tsp. (40 mL) per day. Be unshakeable with Benylin.