---
product_id: 775626158
title: "12 Hour Extended Release Tablets -Guaifenesin Relieves Chest Congestion Caused by Excess Mucus (#1 Doctor Recommended OTC expectorant), 100 Count (Pack of 1)"
brand: "mucinex"
price: "₨50095"
currency: LKR
in_stock: true
reviews_count: 5
category: "Mucinex"
url: https://www.desertcart.lk/products/775626158-12-hour-extended-release-tablets-guaifenesin-relieves-chest-congestion-caused
store_origin: LK
region: Sri Lanka
---

# 12-hour extended relief bi-layer immediate + extended release 600 mg Guaifenesin expectorant 12 Hour Extended Release Tablets -Guaifenesin Relieves Chest Congestion Caused by Excess Mucus (#1 Doctor Recommended OTC expectorant), 100 Count (Pack of 1)

**Brand:** mucinex
**Price:** ₨50095
**Availability:** ✅ In Stock

## Summary

> 💨 Breathe easy, conquer your day — Mucinex has your chest covered!

## Quick Answers

- **What is this?** 12 Hour Extended Release Tablets -Guaifenesin Relieves Chest Congestion Caused by Excess Mucus (#1 Doctor Recommended OTC expectorant), 100 Count (Pack of 1) by mucinex
- **How much does it cost?** ₨50095 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/775626158-12-hour-extended-release-tablets-guaifenesin-relieves-chest-congestion-caused)

## 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

- • **Bulk 100-Count Supply:** Long-lasting pack designed for busy professionals who value convenience and value
- • **All-Day Congestion Control:** Clinically proven 12-hour relief keeps you moving without constant dosing
- • **Powerful 600 mg Guaifenesin:** Effectively thins mucus to clear chest congestion and make coughs productive
- • **Dual-Action Bi-Layer Formula:** Immediate and extended release layers deliver fast and sustained symptom relief
- • **Trusted #1 Doctor-Recommended:** Top OTC expectorant trusted by healthcare professionals nationwide

## Overview

Mucinex 12 Hour Extended Release Tablets feature a unique bi-layer design delivering 600 mg of guaifenesin to provide powerful, clinically proven relief from chest congestion for up to 12 hours. Trusted as the #1 doctor-recommended OTC expectorant, this 100-count pack offers busy adults a convenient, long-lasting solution to thin mucus and promote productive coughing, helping you stay productive and comfortable throughout your day.

## Description

When you’re sick, mucus can be a master of mayhem. But quick, long-lasting chest congestion relief is just a dose away - with Mucinex SE extended-release bi-layer tablets. Guaifenesin, the active ingredient in Mucinex SE, helps relieve chest congestion by thinning the mucus in the bronchial passageways to make the cough more productive. The bi-layer tablet releases immediately and lasts for up to 12 hours. Mucinex In Mucus Out.

Review: They work just as good as advertised. Price here was great! Cheaper than Walmart.
Review: Great product

## Features

- MUCINEX 12 HOUR EXTENDED-RELEASE BI-LAYER TABLETS: Clinically proven to last up to 12 hours it provides powerful relief for your chest congestion
- SYMPTOMS TREATED: Relieves chest congestion caused by excess mucus by making your cough more productive
- ONE EASY PILL: A unique bi-layer tablet, one layer for immediate release, the other layer for extended release so the medicine starts to release right away and lasts for up to 12 hours
- INGREDIENTS: Guaifenesin (600 mg) is an expectorant that helps reduce chest congestion caused by colds, infections or irritants
- CONTINUOUS RELIEF: Mucinex lasts up to 12 hours so you can say goodbye to retaking medicine every 4 hours

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005LEMQOS |
| ASIN  | B005LEMQOS |
| Age Range Description | Adult |
| Best Sellers Rank | #13,549 in Health ( See Top 100 in Health ) #365 in Multivitamins Nutritional Supplements |
| Brand | Mucinex |
| Customer Reviews | 4.8 4.8 out of 5 stars (9,558) |
| Customer reviews | 4.8 4.8 out of 5 stars (9,558) |
| Date First Available | 6 August 2012 |
| Format | Tablet |
| Is Discontinued By Manufacturer  | No |
| Item model number  | 6382400815 |
| Manufacturer  | Reckitt Benckiser |
| Product Dimensions  | 4.6 x 8.89 x 12.7 cm; 104.33 g |
| Units | 100.0 Count |
| Weight | 0.23 Pounds |

## Product Details

- **Brand:** Mucinex
- **Item dimensions L x W x H:** 46 x 89 x 127 millimeters
- **Item weight:** 0.23 Pounds
- **Product benefits:** Acidity Relief
- **Specific uses for product:** Congestion Relief

## Images

![12 Hour Extended Release Tablets -Guaifenesin Relieves Chest Congestion Caused by Excess Mucus (#1 Doctor Recommended OTC expectorant), 100 Count (Pack of 1) - Image 1](https://m.media-amazon.com/images/I/71HxmO3ZioL.jpg)

## Questions & Answers

**Q: I have a post nasal drip that is making me nauseaous , which mucinex do you recommend ?**
A: Just regular Mucinex (not DM) is what my doctor recommended, and I've been taking, twice per day, for years.  The "DM" stands for dextromethorphan, which is a cough suppressant, and that's not generally needed when you're only trying to dry up post nasal drip.  Start with the 600mg, and if it doesn't do the trick, move up to the 1200mg tablets.  It works!

**Q: Do these come embedded on cards or in a small jar?**
A: In the cards. I always put them in a jar myself

**Q: Are you really selling ONE bottle of 500 pills for $162?**
A: If you 5 times the 100 ct package cost that I have been getting, the 500 pills at $162.00 seems reasonable.

**Q: Is taking two 600 mg tablets equivalent to taking one 1200 mg?**
A: Thank you for your questions! Two Mucinex® Extended-Release Bi-Layer Tablets (600mg per tablet) will provide the same dose as one Maximum Strength Mucinex® Extended-Release Bi-Layer Tablet (1200 mg per tablet).

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***I on 12 January 2026*

They work just as good as advertised. Price here was great! Cheaper than Walmart.

### ⭐⭐⭐⭐⭐ Review
*by K***P on 3 December 2025*

Great product

### ⭐⭐⭐⭐⭐ Review
*by C***7 on 22 September 2025*

great item ,good price

## Frequently Bought Together

- Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 100 Bi-Layer Tablets
- 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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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-16*