---
product_id: 3573634
title: "Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 42 Tablets"
brand: "mucinex"
price: "AR$6179"
currency: ARS
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.ar/products/3573634-mucinex-12-hour-maximum-strength-1200-mg-guaifenesin-extended-release
store_origin: AR
region: Argentina
---

# 12-hour extended relief 1200 mg guaifenesin power mucus thinning & clearing Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 42 Tablets

**Brand:** mucinex
**Price:** AR$6179
**Availability:** ✅ In Stock

## Summary

> 💨 Breathe Freely, Live Fully — 12 Hours of Maximum Strength Mucus Relief!

## Quick Answers

- **What is this?** Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 42 Tablets by mucinex
- **How much does it cost?** AR$6179 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/3573634-mucinex-12-hour-maximum-strength-1200-mg-guaifenesin-extended-release)

## Best For

- mucinex enthusiasts

## Why This Product

- Trusted mucinex brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Cold & Flu Ally:** Clinically proven expectorant trusted by millions to clear chest congestion and ease coughs.
- • **Maximum Strength Formula:** Packed with 1200 mg of guaifenesin to effectively thin and loosen stubborn mucus.
- • **All-Day Congestion Control:** Experience up to 12 hours of powerful chest relief without the need for frequent dosing.
- • **Safe & Reliable for Adults:** Formulated for ages 12+, manufactured without benzene, ensuring quality you can count on.
- • **Dual-Action Bi-Layer Tablets:** Immediate plus extended-release technology ensures fast and sustained symptom relief.

## Overview

Mucinex 12 Hour Maximum Strength Extended-Release Tablets deliver 1200 mg of guaifenesin in a bi-layer formula that provides immediate and sustained mucus thinning and chest congestion relief for up to 12 hours. Designed for adults and children 12+, this trusted expectorant helps make coughs more productive, easing cold and flu symptoms with a reliable, benzene-free formulation.

## Description

Are you searching for reliable chest congestion relief for adults? Look no further than our Maximum Strength Mucinex 12 Hour Expectorant for excess mucus relief. Featuring a robust 1200mg 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. Use as directed, for Adults and Children 12 years of age and over.

Review: Stops all the congestion! - Very good product. Helps clear congestion so you can breathe easier and it also eliminates all the coughing and sneezing that comes with the congestion.
Review: Mucinex 12 Hour Maximum Strength Extended-Release Tablets - Mucinex is a very good product we have used for many years to provide allergy relief. This product is offered at an excellent price and is shipped and received "on time". Thanks

## Features

- EXCESS MUCUS RELIEF: Maximum Strength Mucinex 12hr extended-release tablets pack a powerful punch with 1200 mg guaifenesin expectorant, providing you with long-lasting chest congestion relief
- AIDS EXCESS MUCUS REMOVAL: Maximum strength chest congestion relief; Mucinex 12hr lasts up to 12 hours and provides relief for your chest congestion and makes cough more productive
- EXPECTORANTS FOR ADULTS: Mucinex helps clear lungs by thinning & loosening mucus; Say goodbye to excess mucus, say hello to chest congestion relief
- EXTENDED RELEASE GUAIFENESIN: Experience long-lasting excess mucus relief with Mucinex's 12hr maximum strength extended-release 1200 mg guaifenesin bi-layer tablets with immediate & extended release
- COLD AND FLU MEDICINE FOR ADULTS: For powerful cough, cold, and flu multi-symptom relief, check out our range of Mucinex Fast-Max cold and flu medicines; Beat cold and flu symptoms with confidence
- USAGE: Use as directed; For ages 12+ years
- QUALITY YOU CAN TRUST: Mucinex uses carbomer that is manufactured without the use of benzene

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN  | B0057UUGRU |
| Best Sellers Rank | #6,419 in Health & Household ( See Top 100 in Health & Household ) #68 in Cold & Flu Medicine #759 in Sales & Deals |
| Customer Reviews | 4.8 4.8 out of 5 stars (20,472) |
| Date First Available  | June 23, 2011 |
| Is Discontinued By Manufacturer  | No |
| Item model number  | 6382402346 |
| Manufacturer  | Reckitt Benckiser |
| Product Dimensions  | 1.38 x 5 x 3.5 inches; 3.1 ounces |

## Product Details

- **Brand:** Mucinex
- **Item Weight:** 3.1 Ounces
- **Item dimensions L x W x H:** 1.38 x 5 x 3.5 inches
- **Product Benefits:** Chest Congestion Relief
- **Specific Uses For Product:** Chest Congestion

## Images

![Mucinex 12 Hour Maximum Strength 1200 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 42 Tablets - Image 1](https://m.media-amazon.com/images/I/71l2pXK28aL.jpg)

## Available Options

This product comes in different **Configuration, Size** options.

## Questions & Answers

**Q: Is this 1200 mg guaifenesin**
A: Yes, our Maximum Strength Mucinex® 12 Hour Extended Release contains 1200mg of Guaifenesin.

**Q: what is the expiration date on these being listed today.
I just saw this on sale today (2-23-2022)?**
A: I ordered yesterday (4.24.2023) and it arrived today (4.25.2023).  The expiration date on it is October 2025.  So two and a half years away.

**Q: Can municex be delivered in south africa**
A: Have to ask sender.

**Q: Where is mine?? 38+dollars still nothing**
A: It might be best to call Amazon Customer Service and ask them. 
I can not help you worth this question 
Also you can check your shipping Tracking information. 
Do not wait for this as you want closure of you do not get it!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Stops all the congestion!
*by C***Y on January 22, 2026*

Very good product. Helps clear congestion so you can breathe easier and it also eliminates all the coughing and sneezing that comes with the congestion.

### ⭐⭐⭐⭐⭐ Mucinex 12 Hour Maximum Strength Extended-Release Tablets
*by L***D on December 12, 2025*

Mucinex is a very good product we have used for many years to provide allergy relief. This product is offered at an excellent price and is shipped and received "on time". Thanks

### ⭐⭐⭐⭐⭐ Best for cough!!
*by B***Y on January 30, 2026*

Works wonders

## Frequently Bought Together

- 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)
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**Shop now:** [https://www.desertcart.com.ar/products/3573634-mucinex-12-hour-maximum-strength-1200-mg-guaifenesin-extended-release](https://www.desertcart.com.ar/products/3573634-mucinex-12-hour-maximum-strength-1200-mg-guaifenesin-extended-release)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-14*