---
product_id: 577620462
title: "Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets (Pack of 2)"
brand: "mucinex"
price: "¥9750"
currency: JPY
in_stock: true
category: "Mucinex"
url: https://www.desertcart.jp/products/577620462-mucinex-12-hour-600-mg-guaifenesin-extended-release-tablets-excess
store_origin: JP
region: Japan
---

# 12-hour extended relief 600 mg guaifenesin per tablet bi-layer immediate + extended release Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets (Pack of 2)

**Brand:** mucinex
**Price:** ¥9750
**Availability:** ✅ In Stock

## Summary

> 💨 Breathe Easy, Stay Ahead – 12 Hours of Mucus-Free Confidence!

## Quick Answers

- **What is this?** Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets (Pack of 2) by mucinex
- **How much does it cost?** ¥9750 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/577620462-mucinex-12-hour-600-mg-guaifenesin-extended-release-tablets-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

- • **Trusted Quality & Safety:** Clinically proven, gluten-free, and benzene-free formula you can rely on during cold & flu season.
- • **Adult-Approved & Convenient:** Easy-to-take tablets designed for adults and teens 12+, packaged in handy blister packs for on-the-go relief.
- • **Maximum Mucus Thinning Power:** 600 mg guaifenesin per tablet effectively loosens mucus for easier breathing and productive coughs.
- • **All-Day Chest Congestion Relief:** Powerful 12-hour formula keeps you clear and comfortable from morning to night.
- • **Dual-Action Bi-Layer Technology:** Immediate and extended-release layers deliver fast relief plus long-lasting comfort.

## Overview

Mucinex 12 Hour Extended-Release Tablets deliver 600 mg of guaifenesin per dose using patented bi-layer technology for immediate and sustained mucus relief. Designed for adults and teens 12+, this clinically proven expectorant thins and loosens chest congestion, providing up to 12 hours of effective relief. Gluten-free and benzene-free, Mucinex is your trusted ally against cold and flu symptoms, ensuring you stay productive and comfortable all day long.

## 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.

## Features

- The information below is per-pack only
- 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 | B0CJMBRXDN |
| ASIN  | B0CJMBRXDN |
| Active Ingredients | Guaifenesin |
| Additional Features | Clinically Proven |
| Age Range Description | Adult |
| Best Sellers Rank | #10,704 in Health & Household ( See Top 100 in Health & Household ) #54 in Cold & Flu Medicine #1,048 in Sales & Deals |
| Brand Name | Mucinex |
| Container Type | Blister Pack |
| Customer Reviews | 5.0 5.0 out of 5 stars (18) |
| Date First Available  | June 16, 2025 |
| Diet Type | Gluten Free |
| Dosage Form | Tablets |
| Flavor | Unflavored |
| Item Dimensions | 0.88 x 3.5 x 3.78 inches |
| Item Form | Tablet |
| Item Weight | 3.99 g |
| Item model number  | RAC00820 00820 |
| Manufacturer | Reckitt Benckiser Healthcare |
| Manufacturer  | Reckitt Benckiser Healthcare |
| Manufacturer Part Number | RAC00820 00820 |
| Model Name | Chest Congestion, Mucinex |
| Model Number | RAC00820 00820 |
| Net Content Count | 40 count |
| Net Content Weight | 16 ounces |
| Number of Items | 2 |
| 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 Dimensions  | 0.88 x 3.5 x 3.78 inches; 0.14 ounces |
| Specific Uses For Product | Chest Congestion |
| Target Audience | Unisex-Adults |
| Target Use Body Part | Whole Body |
| Unit Count | 40 Count |

## Product Details

- **Brand:** Mucinex
- **Item Weight:** 3.99 g
- **Item dimensions L x W x H:** 0.88 x 3.5 x 3.78 inches
- **Specific Uses For Product:** Chest Congestion

## Images

![Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets (Pack of 2) - Image 1](https://m.media-amazon.com/images/I/81C-OSo8EEL.jpg)
![Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets (Pack of 2) - Image 2](https://m.media-amazon.com/images/I/81aTQ3qyV7L.jpg)
![Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets (Pack of 2) - Image 3](https://m.media-amazon.com/images/I/81ChDEfOwOL.jpg)
![Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets (Pack of 2) - Image 4](https://m.media-amazon.com/images/I/71G-mwQKeTL.jpg)
![Mucinex 12 Hour 600 mg Guaifenesin Extended-Release Tablets for Excess Mucus Relief, Expectorant Aids Excess Mucus Removal, Chest Congestion Relief, 20 Bi-Layer Tablets (Pack of 2) - Image 5](https://m.media-amazon.com/images/I/81o9EdG3T-L.jpg)

## Available Options

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

## Frequently Bought Together

- Mucinex Chest Congestion, Expectorant 12 Hour Extended Release Tablets, 20ct, 600mg Guaifenesin with Extended Relief of Chest Congestion Caused by Excess Mucus. Thins and Loosens Mucus (Pack of 2)
- Mucinex 12 Hour 1200mg Maximum Strength Guaifenesin Chest Congestion & Mucus Relief, Guaifenesin Expectorant Aids Mucus Removal, Chest Decongestant for Adults, Dr Recommended, 42ct Tablets
- 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

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**Shop now:** [https://www.desertcart.jp/products/577620462-mucinex-12-hour-600-mg-guaifenesin-extended-release-tablets-excess](https://www.desertcart.jp/products/577620462-mucinex-12-hour-600-mg-guaifenesin-extended-release-tablets-excess)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-16*