Are you searching for reliable chest congestion relief for adults? Look no further than Mucinex 12 Hour Expectorant for excess mucus relief. Featuring a robust 600mg of guaifenesin, this top-notch expectorant thins and loosens mucus thereby making coughs more productive. When the cold and flu season hits, trust Mucinex for powerful chest congestion relief. Our original bi-layer tablet provides immediate and extended-release and lasts up to 12 hours.

When mucus builds up in your chest, congestion can get in the way of your day. Mucinex extended-release bi-layer tablets fight bothersome chest congestion for 12 hours so you can focus on your life and forget about congestion.
Fast-Acting, Long-Lasting ReliefMucinex extended-release tablets break up the mucus that causes chest congestion, providing you with fast-acting and long-lasting relief. With 12 hours of relief from chest congestion, you can make it through a workday without congestion getting in your way.
Get 12 Hours of ReliefOnly Mucinex has an extended release bi-layer tablet to deliver congestion relief. The first layer is absorbed quickly by your body for fast-acting relief. The other layer dissolves slowly to continue relieving your chest congestion for 12 hours.
Mucinex: #1 with Doctors, Pharmacists, and ConsumersYou're too busy with family, home, and work to let sickness slow you down. You need a brand you can trust to get the job done. That's why there's Mucinex. Mucinex is the #1 doctor recommended1, #1 pharmacist recommended2 3 and #1 most popular4 OTC expectorant brand. Mucinex products all have the dependable, mucus-busting power to show Mr. Mucus the way out of your system so you can keep up with life.
What's in the BoxOne box of Mucinex extended-release bi-layer tablets (20 tablets per box).
MucinexRelieves these Symptoms:Relieves chest congestion
Thins and breaks up mucus to make coughs more productive
Use as directed.
Mucinex Has Products for All of Your Worst Symptoms 12 Hour Relief (Tablets)Chest CongestionDry CoughNasal Congestion Maximum Strength Mucinexx Mucinexx Maximum Strength Mucinex DMxx Mucinex DMxx Maximum Strength Mucinex Dxx Mucinex Dxx1 Mucinex is the #1 doctor-recommended OTC expectorant among internists, general practitioners, and family practitioners. IMS Health, NDTI (National Disease Therapeutic Index), MAT 52 Weeks Ending March 2012.
2 OTC Expectorants: 2012 Survey of Pharmacist Recommendations: Pharmacy Times, June 2012.
3 Among Adult Expectorants and Adult Multisymptom Cold or Flu products. Pharmacy Today Annual Over-the-Counter Survey, February 2012.
4 Based on Symphony IRI unit sales data for the 52-week period ending November 25, 2012.