Data / Drug companies / Guaifenesin 400 mg
Guaifenesin 400 mg: 8 companies and 14 products in the FDA NDC directory
Updated November 6, 2026. Source: US Food and Drug Administration, National Drug Code Directory (openFDA).
Guaifenesin 400 mg is listed in the FDA National Drug Code Directory by 8 companies, with 14 products in commercial distribution. 0 of the products (0.0%) are marketed under an abbreviated new drug application (ANDA), the generic route. The most common dosage forms are tablet, and the newest product started marketing on July 1, 2026.
The request: Get every company that lists guaifenesin 400 mg in the FDA NDC directory, with headquarters, website and number of employees. $10 of work on sign-up, no card.
SpecStream is the live web data engine for teams and agents. It reads the National Drug Code Directory that FDA publishes, and this page is that reading. Ask for the companies that make a drug, a class or a dosage form, with their headquarters, website and size added from the web, and new listings and discontinued products arrive in your sheet, CRM, Slack or agent as FDA posts them.
- Companies listing it
- 8
- Products
- 14
- Generic (ANDA) products
- 0 (0.0%)
- Application numbers
- 2
- Routes
- Oral
- Brand names
- Mucus Relief, Mucus Relief, Guaifenesin
- openFDA record search
- api.fda.gov
Companies that list guaifenesin 400 mg
Ranked by number of products. Finished drugs in commercial distribution.
| Company | Products | Main dosage forms | Main marketing category | Newest product started |
|---|---|---|---|---|
| Pioneer Life Sciences, LLC | 7 | tablet | Over the counter monograph drugs | December 23, 2025 |
| Advance Pharmaceutical Inc. | 1 | tablet | Over the counter monograph drugs | November 1, 2016 |
| Cabinet Health P.B.C. | 1 | tablet | Over the counter monograph drugs | November 1, 2024 |
| Health Pharma USA LLC | 1 | tablet | Over the counter monograph drugs | June 18, 2025 |
| Nuvicare LLC | 1 | tablet | Over the counter monograph drugs | July 17, 2024 |
| Richmond Pharmaceuticals, Inc. | 1 | tablet | Over the counter monograph drugs | March 1, 2016 |
| Twin Med LLC | 1 | tablet | Over the counter monograph drugs | July 1, 2022 |
| Zennova LLC | 1 | tablet | Over the counter monograph drugs | July 1, 2026 |
Dosage forms
| Dosage form | Products | Share |
|---|---|---|
| Tablet | 14 | 100% |
Marketing categories
| Marketing category | Products | Share |
|---|---|---|
| Over the counter monograph drugs | 14 | 100% |
Pharmacologic classes
| Class | Products |
|---|---|
| Expectorant | 12 |
CC0 1.0 public domain dedication (openFDA). Counts are products in the FDA National Drug Code Directory on November 6, 2026: 138,262 products in commercial distribution, meaning without a marketing end date in the past. A company is a labeler code; one company can hold several codes, and the directory carries no address. Inclusion in the directory is not FDA approval, and the marketing category says under which kind of application or rule a product is sold. This page uses openFDA data and is not endorsed or certified by FDA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.