---
product_id: 74845095
title: "Chest Congestion, Mucinex Maximum Strength 12 Hour Extended Release Tablets, 42ct, 1200 mg Guaifenesin with extended relief of chest congestion caused by excess mucus, thins and loosens mucus"
price: "₨20572"
currency: LKR
in_stock: true
reviews_count: 8
url: https://www.desertcart.lk/products/74845095-chest-congestion-mucinex-maximum-strength-12-hour-extended-release-tablets
store_origin: LK
region: Sri Lanka
---

# 12-hour extended relief 1200 mg potent guaifenesin bi-layer fast + extended release Chest Congestion, Mucinex Maximum Strength 12 Hour Extended Release Tablets, 42ct, 1200 mg Guaifenesin with extended relief of chest congestion caused by excess mucus, thins and loosens mucus

**Price:** ₨20572
**Availability:** ✅ In Stock

## Summary

> 💨 Breathe easy, stay unstoppable with Mucinex Maximum Strength!

## Quick Answers

- **What is this?** Chest Congestion, Mucinex Maximum Strength 12 Hour Extended Release Tablets, 42ct, 1200 mg Guaifenesin with extended relief of chest congestion caused by excess mucus, thins and loosens mucus
- **How much does it cost?** ₨20572 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/74845095-chest-congestion-mucinex-maximum-strength-12-hour-extended-release-tablets)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **12-Hour Extended Release:** Keeps you clear and breathing easy through your busiest days
- • **Doctor-Recommended Trust:** Preferred by internists and family practitioners alike
- • **Fast-Acting & Long-Lasting:** Starts working right away and keeps going so you don’t have to
- • **Dual-Action Bi-Layer Formula:** Immediate relief meets all-day comfort
- • **Maximum Strength 1200 mg Dose:** Powerful mucus thinning for stubborn congestion

## Overview

Mucinex Maximum Strength 12 Hour Extended Release Tablets deliver 1200 mg of guaifenesin in a bi-layer tablet that provides fast-acting relief and sustained mucus thinning for up to 12 hours, making it the top doctor-recommended expectorant for effective chest congestion management.

## Description

Maximum strength Mucinex breaks up the mucus that causes chest congestion while providing fast and long lasting relief. Maximum strength Mucinex is specially formulated with a bi-layer tablet. The immediate release layer goes to work fast while the extended release layer continues to work for 12 hours.

Review: Always reliable - The only thing that helps with stubborn mucus production that doesn’t want to move
Review: Great price for the number you get - I have asthma/copd and it helps to loosen, thin, and clear mucus especially when those storms (my trigger) roll in. Great price for the number you get!

## Features

- Relieves chest congestion
- Thins and loosens mucus that causes chest congestion
- Starts to work right away and lasts for 12 hours
- Extended-Release bi-layer tablet
- Mucinex is the no.1 Doctor recommended OTC expectorant among internists, general practitioners and family practitioners

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.8 out of 5 stars 82 Reviews |

## Images

![Chest Congestion, Mucinex Maximum Strength 12 Hour Extended Release Tablets, 42ct, 1200 mg Guaifenesin with extended relief of chest congestion caused by excess mucus, thins and loosens mucus - Image 1](https://m.media-amazon.com/images/I/71f6n-SJaPL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Always reliable
*by K***S on December 21, 2025*

The only thing that helps with stubborn mucus production that doesn’t want to move

### ⭐⭐⭐⭐⭐ Great price for the number you get
*by C***A on June 26, 2017*

I have asthma/copd and it helps to loosen, thin, and clear mucus especially when those storms (my trigger) roll in. Great price for the number you get!

### ⭐⭐⭐⭐⭐ My family will not be without it in the cabinet.
*by J***E on January 11, 2026*

Great price, great product.

## Frequently Bought Together

- Chest Congestion, Mucinex Maximum Strength 12 Hour Extended Release Tablets, 42ct, 1200 mg Guaifenesin with extended relief of chest congestion caused by excess mucus, thins and loosens mucus
- Mucinex Chest Congestion Maximum Strength 12 Hour Extended Release Tablets Relieves Chest Congestion Caused by Excess Mucus(#1 Doctor Recommended OTC expectorant), 1200mg, 42 Count (Pack of 1)
- Cough Suppressant and Expectorant,Mucinex DM Maximum Strength 12 HourTablets 42ct, 1200 mg Guaifenesin,Relieves Chest Congestion,Quiets Wet and Dry Cough,#1Doctor Recommended OTC expectorant

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**Shop now:** [https://www.desertcart.lk/products/74845095-chest-congestion-mucinex-maximum-strength-12-hour-extended-release-tablets](https://www.desertcart.lk/products/74845095-chest-congestion-mucinex-maximum-strength-12-hour-extended-release-tablets)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-08*