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Best liquid expectorant guaifenesins - May 2026

Last Updated - May 24, 2026

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Mucinex

Mucinex DM Max Liquid Cough & Cold Medicine for Adults, Cold and Flu Medicine for Excess Mucus Relief, Guaifenesin, Dextromethorphan Expectorant & Decongestant for Adults, Dr Recommended, 6.0 Fl Oz

Mucinex

$13.97

More Details
Main highlights
- USAGE: Use as directed; For ages 12+ years.
- EXTENDED RELEASE GUAIFENESIN: Experience 4hr relief with Mucinex DM Max extended-release 400mg guaifenesin and 20mg dextromethorphan HBr in an easier to swallow liquid format.
- EXPECTORANTS AND DECONGESTANTS FOR ADULTS: Mucinex DM Max helps clear lungs of excess mucus and phlegm to help make every day a breath of fresh air; Say goodbye to chest congestion and cough, say hello to excess mucus relief.
- EXCESS MUCUS RELIEF: Maxium strength multi-symptom relief; Mucinex DM Max is clinically proven to last up to 4hrs and provide relief for chest congestion and make coughs more productive.
- COUGH COLD AND FLU MEDICINE FOR ADULTS: Mucinex DM Max expectorant & cough suppressant packs a powerful 1..2.. punch with dextromethorphan and Guaifenesin 400mg extended release, providing you with long-lasting relief from excess mucus congestion and cough.
- COLD MEDICINE FOR ADULTS: When you need a powerful cough and cold medicine that's formulated for adults, Mucinex DM is the name to trust; Beat cold and flu symptoms with confidence.
$13.97
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Mucinex

Mucinex DM Max Liquid Cough & Cold Medicine for Adults, Cold and Flu Medicine for Excess Mucus Relief, Guaifenesin, Dextromethorphan Expectorant & Decongestant for Adults, Dr Recommended, 6.0 Fl Oz

Mucinex

$13.27

$13.97
(5% Off)

More Details
Main highlights
- USAGE: Use as directed; For ages 12+ years.
- EXTENDED RELEASE GUAIFENESIN: Experience 4hr relief with Mucinex DM Max extended-release 400mg guaifenesin and 20mg dextromethorphan HBr in an easier to swallow liquid format.
- EXPECTORANTS AND DECONGESTANTS FOR ADULTS: Mucinex DM Max helps clear lungs of excess mucus and phlegm to help make every day a breath of fresh air; Say goodbye to chest congestion and cough, say hello to excess mucus relief.
- EXCESS MUCUS RELIEF: Maxium strength multi-symptom relief; Mucinex DM Max is clinically proven to last up to 4hrs and provide relief for chest congestion and make coughs more productive.
- COUGH COLD AND FLU MEDICINE FOR ADULTS: Mucinex DM Max expectorant & cough suppressant packs a powerful 1..2.. punch with dextromethorphan and Guaifenesin 400mg extended release, providing you with long-lasting relief from excess mucus congestion and cough.
- COLD MEDICINE FOR ADULTS: When you need a powerful cough and cold medicine that's formulated for adults, Mucinex DM is the name to trust; Beat cold and flu symptoms with confidence.
$13.27
$13.97 (5% Off)
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

GeriCare

GeriCare Geri-Tussin Guaifenesin Oral Liquid Solution, Sugar-Free, Alcohol-Free Cough and Cold Relief Syrup, Helps Clear Chest Congestion, 16 Ounce Bottle (Pack of 1)

GeriCare

$9.99

More Details
Main highlights
- Sugar-free formulation makes it a suitable option for individuals monitoring their sugar intake; Ideal for individuals on sugar-restricted diets, providing a suitable option for those with dietary concerns
- Loosens and relieves chest congestion
- Geri-Tussin Guaifenesin Syrup
- Alcohol-free formula for those with sensitivity or preference, easy-to-administer liquid form for quick and effective relief; Provides relief from chest congestion associated with common cold
$9.99
4
20% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

GeriCare
20% Off

GeriCare Geri-Tussin Guaifenesin Oral Liquid Solution, Sugar-Free, Alcohol-Free Cough and Cold Relief Syrup, Helps Clear Chest Congestion, 16 Ounce Bottle (Pack of 1)

GeriCare

$7.99

$9.99
(20% Off)

More Details
Main highlights
- Sugar-free formulation makes it a suitable option for individuals monitoring their sugar intake; Ideal for individuals on sugar-restricted diets, providing a suitable option for those with dietary concerns
- Loosens and relieves chest congestion
- Geri-Tussin Guaifenesin Syrup
- Alcohol-free formula for those with sensitivity or preference, easy-to-administer liquid form for quick and effective relief; Provides relief from chest congestion associated with common cold
$7.99
$9.99 (20% Off)
5
Best Value
33% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

LLORENS PHARMACEUTICAL
33% Off

Guaifenesin Liquid Expectorant for Adults Solution by Llorens, Cherry Flavor Cough and Cold Suppressant for Adults, 16 oz

LLORENS PHARMACEUTICAL

$9.99

$14.99
(33% Off)

More Details
Main highlights
- Fast relief for adults from common cold symptoms: Experience fast and effective relief from common cold symptoms, including congestion, coughing, and discomfort. Our liquid formula is tailored for adult use, providing quick relief so you can get back to feeling your best.
- Convenient 16 oz bottle for ample supply: Our 16 oz bottle ensures you have an ample supply of relief on hand whenever you need it. It's perfect for home use and ensures you won't run out of medication during the allergy or flu season.
- Contains guaifenesin to clear congestion and thin mucus: Guaifenesin is a trusted ingredient known for its ability to help clear nasal congestion and thin mucus, making coughs more productive and breathing easier. It provides effective relief from common cold symptoms, allergies, and flu discomfort.
- Cherry-flavored allergy and flu relief formula: Enjoy the pleasant taste of cherry while combating allergies and flu symptoms. The delicious flavor makes it easier and more enjoyable for adults to take the medication.
$9.99
$14.99 (33% Off)

Best liquid expectorant guaifenesins - May 2026

Mucinex DM Max Liquid Cough & Cold Medicine for Adults, Cold and Flu Medicine for Excess Mucus Relief, Guaifenesin, Dextromethorphan Expectorant & Decongestant for Adults, Dr Recommended, 6.0 Fl Oz

Mucinex DM Max Liquid Cough & Cold Medicine for Adults, Cold and Flu Medicine for Excess Mucus Relief, Guaifenesin, Dextromethorphan Expectorant & Decongestant for Adults, Dr Recommended, 6.0 Fl Oz

GeriCare Geri-Tussin Guaifenesin Oral Liquid Solution, Sugar-Free, Alcohol-Free Cough and Cold Relief Syrup, Helps Clear Chest Congestion, 16 Ounce Bottle (Pack of 1)

GeriCare Geri-Tussin Guaifenesin Oral Liquid Solution, Sugar-Free, Alcohol-Free Cough and Cold Relief Syrup, Helps Clear Chest Congestion, 16 Ounce Bottle (Pack of 1)

Guaifenesin Liquid Expectorant for Adults Solution by Llorens, Cherry Flavor Cough and Cold Suppressant for Adults, 16 oz

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Guaifenesin Liquid Expectorant for Adults Solution by Llorens, Cherry Flavor Cough and Cold Suppressant for Adults, 16 oz

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Geri-Tussin Cold and Cough Relief Guaifenesin Syrup by GeriCare| Sugar-Free Guaifenesin Liquid Expectorant| Cough Syrup & Chest Decongestant| Cherry Menthol Flavor Guaifenesin Oral Solution| 4 Fl Oz

CUREWELL Tussin Guaifenesin Liquid | 100 mg Expectorant Syrup | Alcohol-Free & Sugar-Free | Cough and Cold Relief | Chest Congestion Relief | Thins & Loosens Mucus, 16 fl oz

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