- Bottle with 100 bi-layer, gluten-free tablets made to relieve congestion
- Helps loosen phlegm and thin bronchial secretions to rid the bronchial passageways of bothersome mucus
- Gluten-free, sugar-free, non-drowsy formula
- Manufactured in Fort Worth, Texas
Product Description
600 mg Guaifenesin Extended-Release Tablets.
Mucinex Expectorant, Bi-Layer Tablets, 100-Count Bottle








I have used extended release guaifenesin (the active drug in Mucinex) for many years to help with sinus drainage and chronic bronchitis. It really works to clear out the lungs and my MD tells me it helps reduce sinus drainage as well. I stocked up on the prescription form of guaifenesin just before the FDA pulled all extended release guaifenesin from the market except for Mucinex. The reason for this action was somewhat esoteric and it allowed Mucinex to have a monopoly on the extended release form. Well, my horde of prescription guaifenesin finally ran out and I started using Mucinex. It works that same as the old prescription drugs because it is the same thing (they are both extended release guaifenesin). But, Mucinex is very expensive. So, I switched to immediate relase guaifenesin and found that it works just as well at a significant cost savings. The only thing is that you will have to take more immediate release tablets to equal a 12-hour extended release tablet. If you can’t let go of the Mucinex, consider taking the immediate release during the day and Mucinex at night. You will save a lot of money. Mucinex is the only extended release tablet on the market. So, if it is guaifenesin and it is not Mucinex then it is an immediate release tablet. Check the price differences.
Rating: 4 / 5
I have problems with so many of the infection fighting meds on the market. They cause bad side effects, and often do not do what they should. This last go around over $1000 in medications and each round made the problem WORSE.
I took two of these tables and they stopped on an oncoming attack of bronchitis. But to my surprise they knocked out a sinuses infection that had been dragging on for two months.
I could have save $1000 if I have these from the start.
Amazing stuff.
Rating: 5 / 5
This medication really keeps your lungs clear, no side effects with my other medications, and the price is the BEST out there. Amazon, keep it up with the great prices on what we need. Wal-Mart can’t match your prices or selection of products!!!
Rating: 5 / 5
…which is why I give it 3, not 5 stars. It used to be called Humibid (Nathan Lane thanked it in one of his Tony Award acceptance speaches), was obtained by prescription, and if you had a prescription drug program, you could get about 120 six hundred mg. pills for $10.00. The active ingredient is Guaifenisin, and it is quite an effective expectorant, especially if you take the maximum dose of 1200 mg., twice daily.
I suppose drug companies make more money by selling it over the counter, which is why they do it, and Amazon is the best price I found (about $5.00 cheaper than CVS),so that’s just over 4 times as expensive as the ‘good old Humibid days’. There are cheaper generic brands which come in 400 mg. pills, but so far the ones I’ve tried produce an uncomfortable ‘flushing’ affect…but that’s just me. Thanks, Martin Vidnovic
Rating: 3 / 5
I have fibromyalgia. I am using this product to help reverse my symptoms. It really seems to be working. I hope one day to feel better and live a more normal life. This is a great product!!
Rating: 5 / 5