Mucus Relief Refill

30 caplets
Loosens thick phlegm and persistent congestion. Get it all off your chest.
  • Guaifenesin 400 mg
1 Pouch
30 day money-back guarantee | Free shipping over $45
  • 1 compostable (municipal or industrial) refill pouch including:

    • 30 quality verified Mucus Relief caplets, free of allergens, carcinogens and gluten

    • 1 magnetic label for Mucus Relief made from 100% recyclable materials

    • Drug facts booklet for Mucus Relief

High quality & 
batch-level tested 
High quality & 
batch-level tested 
Sustainably produced & packaged
Sustainably produced & packaged
Space-saving & refillable bottles
Space-saving & refillable bottles
Compostable & commitment-free refills
Compostable & commitment-free refills

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100% Earth digestible
medicine refill pouches

Cabinet refill pouches are made from a blend of wood cellulose and biosealants to keep medicine fresh and safe. The materials are 100% compostable (compliant with ASTM D6400 guidelines) and digestable by the earth.

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Frequently Asked Questions


We know how important it is to know what you're putting inside your body. Please visit this link for a PDF of full drug facts for Cabinet Mucus Relief.

For those with celiac disease or a gluten intolerance, we know how hard it can be to find safe medications and products you can trust. Cabinet is the first healthcare company to conduct batch-level quality testing through a 3rd party lab for carcinogens, gluten, and purity. This ensures that every batch of medicine that goes to market is high quality and free of harmful ingredients.

Cabinet Mucus Relief is certified gluten-free and 100% free from known carcinogens. You can view our 3rd party certificate of analysis at this link.

For the curious consumer: Batch-level testing is not common practice among manufacturers. A great example of the lack of testing in this space is the massive Zanac (randitidine) recall in 2019 and 2020. Manufacturers recalled ranitidine (both brand and generic) after a cancer-causing chemical called N-Nitrosodimethylamine (NDMA) was discovered in every medicine lot.

Cabinet Mucus Relief, a FDA-approved medicine similar to Mucinex®, is a popular over-the-counter (OTC) pill used to temporarily relieve cough and congestion caused by the common cold, hay fever, bronchitis, and other non long-term respiratory illnesses. The active ingredient, guaifenesin, belongs to a group of medications called expectorants. Expectorants work by loosening and thinning phlegm (mucus) present in the lungs and airways. By decreasing the thickness and stickiness of the mucus, Cabinet Mucus Relief makes it easier to cough or spit out mucus from the throat and lungs.

Fun fact! Guaifenesin is commonly combined with decongestants, pain relievers, and cough suppressants for overall common cold or flu relief. A great example is Cabinet Daytime Severe Cold & Flu, which contains ingredients that will help relieve aches and pains, sore throat, congestion, mucus, and cough.

Good to know: This is not the generic equivalent of brand name Mucinex 12 Hour. While they both contain the same active ingredient, Cabinet Mucus Relief contains guaifenesin 400 mg and is an immediate-release tablet, while Mucinex contains guaifenesin 1200 mg and is a extended-release tablet that releases medication over 12 hours. Cabinet Mucus Relief has different dosing instructions.

Cabinet Mucus Relief can be used to help loosen phlegm and to thin secretions in the airways (upper respiratory tract) to make your coughs more productive (or to make it easier for you to cough or spit your phlegm out). This product can be used to relieve congestion and trouble breathing caused by the common cold, flu, hay fever, bronchitis, and other non long-term respiratory illnesses.

Adults and children over the age of 12 can take one (1) tablet every four hours as needed for cough or congestion. The tablet should be taken with a full glass of water and can be taken with or without food. Do not take more than six (6) tablets of Cabinet Mucus Relief in 24 hours. It is important to drink a lot of fluids while using Cabinet Mucus Relief, as fluids will help thin out mucus and clear congestion. This product is not approved for pediatric use and is not recommended for children under the age of 12, unless directed by a doctor. Cabinet Mucus Relief should be stored away from young children. In the case of an overdose, contact a Poison Control Center (1-800-222-1222) or seek medical attention immediately.

Please speak with your doctor prior to using guaifenesin products, like Cabinet Mucus Relief, if you have an ongoing or chronic cough that occurs with smoking, asthma, chronic bronchitis, emphysema, or other breathing illness. Make sure to also check in with your doctor if you have a cough that presents with a lot of phlegm, as this could be a sign of a more severe illness.

Cabinet Cough Relief provides temporary help with cough, mucus, and chest congestion. You should stop using this product and seek medical advice from a health care professional if your cough: lasts for more than seven days, returns after a while, or presents with other symptoms such as fever, rash, or headache. These presentations could be signs of a more serious condition or infection.

Please speak with your doctor prior to using Cabinet Mucus Relief if you are pregnant or breastfeeding. Neither the use of guaifenesin during pregnancy nor the excretion of guaifenesin in breast milk and its effect on breastfed infants have been studied. At this time, guaifenesin is only recommended for use during pregnancy or breastfeeding when the benefit outweighs the potential risk.

You may notice the effects of Cabinet Mucus Relief within 30 minutes, but some patients find they have to take the tablets regularly (every four hours) for up to two days to see full mucus-relieving effects. It is important to drink a lot of fluids while using Cabinet Mucus Relief, as fluids will help thin out mucus and clear congestion.

In addition to its desired effects, Cabinet Mucus Relief may cause some less desirable side effects. Everyone is different, so some people may experience no side effects at all, others may experience mild side effects, and a small number of people may experience rare or more serious adverse effects.

Some side effects of guaifenesin include: diarrhea, drowsiness, dizziness, headache, hives, nausea or vomiting, skin rash, and stomach pain. Some patients may experience side effects that are not on this list. Check in with your health care provider if you have questions or experience concerning side effects. Always check with your doctor or pharmacist prior to taking Cabinet Mucus Relief if you have ever had an allergic reaction to any of the ingredients this product contains.

It is recommended to limit or avoid alcohol while you are taking Cabinet Mucus Relief. Try to space out the medicine and alcohol by at least six hours.

FAQs and Drug Facts Medically Reviewed by Joanna Tam, Healthcare and Content Manager
12 Reviews
  • apurva p.
    Nicely packaged , effective

    Nicely packaged , effective

  • Susana G.

    Love it with just taking two dose you see the result and you help the planet too.

  • Angela H.
    Great product

    Great product

  • Heather H.
    I love it!

    Came just in time for my yearly allergy attack. This really works. Couldn't have made it without this stuff.

  • Lacey M.
    Great product!

    We love our Cabinet products! So happy to be using less plastic while still getting quality OTC meds.

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