In Each Packet: Other Information: Each Packet Contains: Magnesium 6 mg and sodium 3 mg. Phenylketonurics: Contains phenylalanine 2 mg per packet. Store at 20-25 degrees C (68-77 degrees F). Keep carton for full information. Ages 4+ years. Pediatrician recommended (As an OTC brand in the Children's Cough/Cold category (AlphaImpactRxProVoice Survey). Dextromethorphan HBr 5 mg - cough suppressant. Guaifenesin 100 mg - expectorant. Controls cough. Relieves chest congestion. Breaks up mucus. Keep carton for full information. For best taste, do not chew granules. Parents: Learn about teen medicine abuse. www.StopMedicineAbuse.org. www.mucinex.com. Questions? 1-866-682-4639. You may also report side effects to this phone number. Please visit our website www.mucinex.com. Made in Germany.