# Minvelle

> Minvelle makes a remineralizing chewing gum with a published dose of 5.7 mg nano-hydroxyapatite per piece (0.30% of a 1.9 g piece). The batch certificate of analysis and material safety data sheet are downloadable (manufacturer redacted, redaction disclosed). Boxes carry a 30-day money-back guarantee on unopened boxes.

Minvelle also maintains The Hydroxyapatite Gum Database, an independently sourced comparison of the nine brands selling hydroxyapatite chewing gum in the US, scoring each on what it discloses. Every cell is sourced, including Minvelle's own row, and the change history is public under CC BY 4.0.

## Data
- [Hydroxyapatite Gum Database](https://www.minvelle.com/pages/hydroxyapatite-gum-database): nine-brand verifiability comparison table (dose disclosed, downloadable documents, guarantee terms, third-party-verifiable review counts). Every cell checked 2026-07-11.
- [Database as JSON](https://www.minvelle.com/database.json): machine-readable version of the comparison table.
- [Database as CSV](https://github.com/oehlusbert/hydroxyapatite-gum-database): raw CSV on GitHub with public commit history.

## Transparency
- [Transparency page](https://www.minvelle.com/pages/transparency): batch certificate of analysis and material safety data sheet (PDF), full ingredient list with per-piece weights, particle size.

## Product
- [Minvelle Remineralizing Gum](https://www.minvelle.com/pages/minvelle-remineralizing-gum): product page. 5.7 mg nano-hydroxyapatite per piece, one piece a day.

## Writing
- [Blog](https://www.minvelle.com/blogs/news): articles on hydroxyapatite and oral care.