Heat.net

Heat.net Store Home


Mucinex 12-Hour ER Tablets – 600mg 40/80ct & 1200mg 28/42ct – Select Variation For Sale


Mucinex 12-Hour ER Tablets – 600mg 40/80ct & 1200mg 28/42ct – Select Variation
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Buy Now

Mucinex 12-Hour ER Tablets – 600mg 40/80ct & 1200mg 28/42ct – Select Variation:
$20.89

Mucinex Extended-Release Bi-Layer Tablets – Various Strengths & Counts


​Keep your cough and congestion under control with Mucinex Extended-Release tablets. These bi-layer tablets are designed for immediate and long-lasting relief, helping you get back to your day with confidence.


​Product Details


​Mucinex utilizes a unique bi-layer tablet design: one layer for immediate release and one layer for extended release, providing up to 12 hours of relief from chest congestion and thick mucus.


  • ​Active Ingredient: Guaifenesin (Expectorant)

  • ​Form: Bi-layer, extended-release tablets

  • ​Conditions Treated: Chest congestion, mucus buildup

​Available Variations


​Please select your preferred strength and quantity from the dropdown menu:


Strength. Count (Pack of 2) Total Tablets


600mg 80ct x 2 160 Tablets


600mg 40ct x 2 80 Tablets


1200mg 42ct x 2 84 Tablets


1200mg 28ct x 2 56 Tablets

Important Information


  • ​Expiration Date: Guaranteed fresh with 2028 expiration dates.

  • ​Usage: Please follow the dosage instructions on the packaging or consult with your healthcare provider.

  • ​Storage: Store in a cool, dry place. Keep out of reach of children.


Buy Now

Other Related Items:



Related Items:

Mucinex 12 Hour Maximum Strength 1200mg Expectorant, 56 tablets, 06/2028 picture

Mucinex 12 Hour Maximum Strength 1200mg Expectorant, 56 tablets, 06/2028

$18.95



Mucinex 12-Hour 600 mg Guaifenesin 100 Bi-Layer Tablets + Free Wipe EXP 06/27 picture

Mucinex 12-Hour 600 mg Guaifenesin 100 Bi-Layer Tablets + Free Wipe EXP 06/27

$45.99



Mucinex 12 Hour Chest Congestion Expectorant 600 mg Tablets Bi-Layer - 10/2026 picture

Mucinex 12 Hour Chest Congestion Expectorant 600 mg Tablets Bi-Layer - 10/2026

$49.95