10 Best guaifenesin 600mg extended releases of 2025

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1

Mucinex
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
Main highlights

Extended Relief and Mucus Control
Mucinex 12 Hour Tablets offer long-lasting chest congestion relief by thinning and loosening mucus for a productive cough.

Chronic Congestion and Flu Season
Perfect for managing chest congestion during flu season and for those with chronic respiratory conditions like COPD.

Long-lasting Effectiveness
Customers appreciate its continuous 12-hour relief, minimizing the need for frequent doses.
9.6

Exceptional

Our Rating

9.7
quality of ingredients

9.5
worth the money

9.3
simple to consume
How do we rank?

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Value for Money

2

Curist
Curist Guaifenesin 600 mg Extended Release Tablets (300 Dye-Free Tablets) - Expectorant Mucus Relief, Generic Guaifenesin 600 mg, (Bulk Pack)
Main highlights

Extended Release Relief
Provides 12-hour relief from congestion and sinus pressure.

Ideal for Cold and Allergy
Best for relieving cold and allergy-induced mucus and congestion.

Customer Praised Value
Praised for effectiveness and affordability compared to name brands.
Key specs
- symptom relief:Mucus relief
- dosage:600 mg
- form:Tablets
- active ingredient:Guaifenesin 600 mg
- target age:12 & up
9.5

Excellent

Our Rating
3

Amazon Basic Care
Amazon Basic Care Guaifenesin Cough and Mucus Relief Extended-Release Tablets, 600 mg, 12 Hour Expectorant Caplet 100 Count
Main highlights

Active Ingredient and Long-Lasting Relief
Amazon Basic Care Cough and Mucus Relief contains Guaifenesin 600 mg, providing up to 12 hours of chest congestion and phlegm relief.

Ideal for Chest Congestion Relief
Best used to thin and loosen mucus, making coughs more productive and relieving chest congestion caused by excess phlegm.

Highly Praised for Value and Effectiveness
Customers appreciate the great value and effectiveness, noting it works just as well as the name brand Mucinex without the high cost.
9.4

Excellent

Our Rating

9.9
worth the money

9.7
quality of ingredients

8.0
simple to consume
4

HealthA2Z
HealthA2Z® Mucus Relief | Guaifenesin 600 mg | 12 Hour | No Benzene | Expectorant | Relieves Chest Congestion | Thins and Loosens Mucus | Extended Release (150 Counts)
Main highlights

Extended Release for Long-Lasting Relief
The HealthA2Z Mucus Relief Guaifenesin provides up to 12 hours of chest congestion relief with its extended-release formula.

Ideal for Persistent Chest Congestion
Perfect for individuals needing consistent relief from chest congestion and mucus thinning throughout the day.

Customer Favorite for Effectiveness
Highly praised by users for its effective mucus thinning and congestion relief without benzene.
9.3

Excellent

Our Rating
5

Guardian
Guardian Mucus Relief, 600mg Guaifenesin 12 Hour Extended Release, Chest Congestion Expectorant (100 Count Bottle)
Main highlights

Extended Relief and Fast Action
600mg Guaifenesin tablets provide extended 12-hour relief, starting to work immediately to relieve chest congestion and loosen mucus.

Ideal for Cold and Allergy Season
Perfect for managing chest congestion and productive coughs during cold and allergy seasons.

Convenient Bottle Packaging
Customers appreciate the bottle packaging, which is easier to handle than foil-backed blister packs.
9.2

Excellent

Our Rating

9.7
quality of ingredients

9.5
worth the money

9.3
simple to consume
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6

HealthCareAisle

HealthCareAisle Guaifenesin 600 mg Extended Release - 100 Tablets - Mucus Relief Expectorant for Chest Congestion Relief

11% Off
9.1

Excellent

Our Rating

9.1
simple to consume

8.2
Flavor

8.0
worth the money
7

WELMATE

WELMATE - Mucus Relief - Guaifenesin 600mg - 12 Hr Support - Temporary Relief from Cough, Nasal & Chest Congestion, Infections, Colds, & Allergies - Expectorant - Extended-Release Tablets - 200 Ct
8.9

Very Good

Our Rating
8

Curist

Curist Guaifenesin 600 mg Extended Release Tablets (200 Dye-Free Tablets) - Expectorant Mucus Relief, Generic Guaifenesin 600 mg, (Bulk Pack)
8.8

Very Good

Our Rating
9

Healthy Living

Healthy Living Guaifenesin Cough and Profile. Mucus Relief Extended-Release Tablets, 600 mg, 12 Hour Expectorant Caplet, 100 Count
8.7

Very Good

Our Rating
10

GenCare

GenCare - Mucus Relief Guaifenesin 600mg (200 Tablets) Mucus Relief Expectorant for Congestion & Cough - Extended Release Tablets for Immediate & Lasting Relief

16% Off
8.5

Good

Our Rating

10 Best guaifenesin 600mg extended releases of 2025

1

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

9.7

9.5

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

Curist Guaifenesin 600 mg Extended Release Tablets (300 Dye-Free Tablets) - Expectorant Mucus Relief, Generic Guaifenesin 600 mg, (Bulk Pack)

3

Amazon Basic Care Guaifenesin Cough and Mucus Relief Extended-Release Tablets, 600 mg, 12 Hour Expectorant Caplet 100 Count

9.9

9.7

8.0

4

HealthA2Z® Mucus Relief | Guaifenesin 600 mg | 12 Hour | No Benzene | Expectorant | Relieves Chest Congestion | Thins and Loosens Mucus | Extended Release (150 Counts)

5

Guardian Mucus Relief, 600mg Guaifenesin 12 Hour Extended Release, Chest Congestion Expectorant (100 Count Bottle)

9.7

9.5

9.3

6

HealthCareAisle Guaifenesin 600 mg Extended Release - 100 Tablets - Mucus Relief Expectorant for Chest Congestion Relief

9.1

8.2

8.0

7

WELMATE - Mucus Relief - Guaifenesin 600mg - 12 Hr Support - Temporary Relief from Cough, Nasal & Chest Congestion, Infections, Colds, & Allergies - Expectorant - Extended-Release Tablets - 200 Ct

8

Curist Guaifenesin 600 mg Extended Release Tablets (200 Dye-Free Tablets) - Expectorant Mucus Relief, Generic Guaifenesin 600 mg, (Bulk Pack)

9

Healthy Living Guaifenesin Cough and Profile. Mucus Relief Extended-Release Tablets, 600 mg, 12 Hour Expectorant Caplet, 100 Count

10

GenCare - Mucus Relief Guaifenesin 600mg (200 Tablets) Mucus Relief Expectorant for Congestion & Cough - Extended Release Tablets for Immediate & Lasting Relief

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