Active ingredient
Levomenthol
19 products in the FDA listing contain Levomenthol, at strengths from 2.7 to 20 mg.
The single-handed form of menthol, listed by FDA as its own substance with its own identifier. Chemically it is the isomer that produces the cooling sensation.
Products listing Levomenthol and products listing Menthol are counted separately on this site, because FDA records them as separate substances.
FDA records these as separate substances
Strengths actually on the market
| Strength | Unit | Products | Share |
|---|---|---|---|
| 5.4 | mg per unit | 5 | 26% |
| 5.8 | mg per unit | 4 | 21% |
| 7.5 | mg per unit | 4 | 21% |
| 2.7 | mg per unit | 2 | 11% |
| 20 | mg per unit | 2 | 11% |
| 7 | mg per unit | 1 | 5% |
| 9 | mg per unit | 1 | 5% |
Counted from the 19 listings on this page. Share is of all products containing Levomenthol, including any at a different unit. Strengths that openFDA records in a different unit are not mixed into this table, because a milligram per lozenge and a percentage by weight are not the same measurement.
What these labels claim
| Stated use | Products |
|---|---|
| Sore throat | 19 |
| Minor throat irritation | 19 |
| Cough | 17 |
| Sore mouth, gums and canker sores | 2 |
Read from each product's own Uses statement in its FDA label. This site does not decide what a product is for and does not recommend one for any condition.
Every listing
FDA National Drug Code Directory, retrieved 4 September 2026, openFDA data last updated 2 September 2026. A listing is a registration, not an inventory: a product here may not be on a shelf, and a product on a shelf may have a lapsed listing. See methodology.
Lozenges.com is a reference publication built from FDA product listings and drug labels. It is not medical advice, diagnosis or treatment, it does not recommend any product for any condition, and it is not a substitute for a pharmacist or a doctor.