---
product_id: 6543410
title: "12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets"
brand: "mucinex"
price: "€ 40.30"
currency: EUR
in_stock: true
reviews_count: 8
category: "Mucinex"
url: https://www.desertcart.hr/products/6543410-12-hour-600-mg-guaifenesin-extended-release-tablets-for-excess
store_origin: HR
region: Croatia
---

# 12-hour extended relief 600mg guaifenesin per tablet bi-layer immediate + extended release 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets

**Brand:** mucinex
**Price:** € 40.30
**Availability:** ✅ In Stock

## Summary

> 💨 Breathe Easy, Hustle Hard – 12 Hours of Mucus-Free Momentum!

## Quick Answers

- **What is this?** 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets by mucinex
- **How much does it cost?** € 40.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/6543410-12-hour-600-mg-guaifenesin-extended-release-tablets-for-excess)

## 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

- • **Non-Drowsy & Easy to Use:** Stay sharp and productive with convenient blister-pack tablets
- • **All-Day Congestion Control:** Powerful 12-hour relief keeps you moving without interruption
- • **Dual-Action Bi-Layer Formula:** Immediate and sustained mucus thinning for nonstop comfort
- • **Clinically Proven Expectorant:** 600mg guaifenesin to effectively loosen and clear chest mucus
- • **Trusted by Experts & Users Alike:** #1 doctor and pharmacist recommended for reliable chest relief

## Overview

Mucinex 12 Hour Extended-Release Tablets deliver 600mg of guaifenesin in a patented bi-layer formula that provides fast-acting and long-lasting chest congestion relief. Designed for adults and teens 12+, these 20 blister-pack tablets thin and loosen mucus to make coughs more productive, ensuring up to 12 hours of continuous comfort without drowsiness. Clinically proven and #1 recommended by doctors and pharmacists, Mucinex empowers you to power through your day with clear lungs and confidence.

## Description

From the Manufacturer 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 congestionThins and breaks up mucus to make coughs more productiveUse 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. Product Description 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. Use as directed, for Adults and Children 12 years of age and over.

Review: Congested No More! - Wow! I was so stuffed up, taking flu medicine and cough medicine... nothing seemed to help until mighty Mucinex came home to me from desertcart. Excellent product, chased down my congestion and cleared me up quick. I highly recommend and will keep some in the house in case I need again!
Review: Good stuff! - Worked effectively!

## Features

- EXCESS MUCUS RELIEF: Mucinex 12hr extended-release tablets pack a powerful punch with 600 mg guaifenesin expectorant, providing you with long-lasting chest congestion relief
- AIDS EXCESS MUCUS REMOVAL: Mucinex SE lasts up to 12 hours, provides chest congestion relief and makes coughs 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 extended-release 600mg guaifenesin tablets; our original bi-layer tablets have both 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 | B000Z09S6W |
| Active Ingredients | Guaifenesin |
| Additional Features | Clinically Proven, Fast-Acting, Long-Lasting, Non-Drowsy |
| Age Range Description | Adult |
| Best Sellers Rank | #4,709 in Health & Household ( See Top 100 in Health & Household ) #47 in Cold & Flu Medicine #581 in Sales & Deals |
| Brand | Mucinex |
| Brand Name | Mucinex |
| Container Type | Blister Pack |
| Customer Reviews | 4.7 out of 5 stars 3,398 Reviews |
| Dosage Form | Tablets |
| Flavor | Unflavored |
| Item Dimensions | 0.88 x 3.5 x 3.78 inches |
| Item Form | Tablet |
| Item Weight | 0.07 Ounces |
| Item dimensions L x W x H | 0.88 x 3.5 x 3.78 inches |
| Manufacturer | Reckitt Benckiser Healthcare |
| Model Name | Chest Congestion, Mucinex |
| Model Number | RAC00820 00820 |
| Net Content Count | 20 Count |
| Net Content Weight | 1 Pounds |
| Number of Items | 1 |
| Package Type Name | Blister |
| Product Benefits | Immediate and Extended Relief that lasts up to 12 hours. Mucinex pantented bi-layer tablet contains an immediate-release layer on one side and extended-release layer on the other side which allows extended relief for up to 12 hours Product Benefits Immediate and Extended Relief that lasts up to 12 hours. Mucinex pantented bi-layer tablet contains an immediate-release layer on one side and extended-release layer on the other side which allows extended relief for up to 12 hours See more |
| Specific Uses For Product | Cough |
| Target Audience | Unisex-Adults |
| Target Use Body Part | Whole Body |
| UPC | 363824008202 |
| Unit Count | 20 Count |

## Product Details

- **Brand:** Mucinex
- **Item Weight:** 0.07 Ounces
- **Item dimensions L x W x H:** 0.88 x 3.5 x 3.78 inches
- **Specific Uses For Product:** Cough

## Images

![12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets - Image 1](https://m.media-amazon.com/images/I/71-9OY0oxHL.jpg)

## Available Options

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

## Questions & Answers

**Q: What is the size of these pills?**
A: they looked large to me I have trouble swallowing pills, but took a try and it went right down.They are tapered at the ends and smooth,you can taste them if you hold it too long like I did.but I paid $17 @ the local drug store for 20 pills.

**Q: My phlegm are generally throat which is the best one**
A: Expectorant is good to dissolve phlegm, help you to cough out the phlegm and ease cough and throat irritation.  cause little drowsiness

**Q: what is the expiration date?**
A: 06/2021

**Q: made in usa?**
A: Made in England!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Congested No More!
*by P***D on January 26, 2026*

Wow! I was so stuffed up, taking flu medicine and cough medicine... nothing seemed to help until mighty Mucinex came home to me from amazon. Excellent product, chased down my congestion and cleared me up quick. I highly recommend and will keep some in the house in case I need again!

### ⭐⭐⭐⭐⭐ Good stuff!
*by C***S on February 7, 2026*

Worked effectively!

### ⭐⭐⭐⭐⭐ Powerful!
*by J***M on February 2, 2026*

The Mucinex cleared up my husband’s chest quickly, within 8 hours and he was able to work that same night. It was easy for him to take with no gross taste or aftertaste. It remained effective for his entire 12 hour shift.

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**Shop now:** [https://www.desertcart.hr/products/6543410-12-hour-600-mg-guaifenesin-extended-release-tablets-for-excess](https://www.desertcart.hr/products/6543410-12-hour-600-mg-guaifenesin-extended-release-tablets-for-excess)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-04*