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Has anyone used Mucomyst (acetylcysteeine nebulization?

Posted by dulwich @dulwich, Aug 3, 2023

I would be interested in hearing about your experiences- was it helpful in loosening sputum and were there side effects or other inconvenience?

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reneemc | @reneemc | Oct 2, 2025

I nebulized NAC for about a month until hemoptysis started. I am prone to that though

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tte | @tte | Oct 3, 2025
In reply to @htolan "I use it twice a day and find it helpful in thinning mucus." + (show)
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I use it twice a day and find it helpful in thinning mucus.

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@htolan
oral pill or nebulized?

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tte | @tte | Oct 3, 2025
In reply to @sueinmn "@tte NAC is an unregulated supplement, and you need to buy from a reputable supplier. I..." + (show)
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@tte NAC is an unregulated supplement, and you need to buy from a reputable supplier. I decided a couple years ago that it wasn't a significant benefit to me, so I don't know who the current best suppliers are. Look for USP certification for the product, not just the company.

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@sueinmn
thanks.
I found some at GNC vitamin store. CVS nor Walgreens by me had it. I will check to see if anything has USP certification. Oral capsule is not Rx, so how could it have USP certificatin?

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Sue, Volunteer Mentor | @sueinmn | Oct 3, 2025
In reply to @tte "@sueinmn thanks. I found some at GNC vitamin store. CVS nor Walgreens by me had it...." + (show)
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@sueinmn
thanks.
I found some at GNC vitamin store. CVS nor Walgreens by me had it. I will check to see if anything has USP certification. Oral capsule is not Rx, so how could it have USP certificatin?

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@tte USP is an independent lab that tests and certifies quality and purity. It is not the FDA.

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hectorheath | @hectorheath | Dec 27, 2025
In reply to @strohmf "@scoop I've found nebulizing glutathione to be very helpful, have also supplemented with NAC and glycine..." + (show)
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@scoop
I've found nebulizing glutathione to be very helpful, have also supplemented with NAC and glycine (glyNAC) to help my body produce glutathione on its own.
Glutathione isn't cheap at $42/100 dose.

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@strohmf Thanks for sharing your expert, but I don't understand why you say it isn't cheap, $42 for 100 doses seems incredibly cheap. I have COPD with a lot of breathlessness, I will certainly try it.

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