From the Hydroxyapatite Gum Database · data checked July 11, 2026

RevitaBite vs Underbrush: what each discloses.

Two hydroxyapatite gums, compared only on what each brand publicly discloses: dose, particle data, ingredients, lab documents and guarantee terms. Same rows as the public database this page is generated from.

What each brand publishes RevitaBite Underbrush
Hydroxyapatite per piece not disclosed not disclosed
Particle form and size Nano
particle size not stated; liquid-center, dentist-formulated
Nano
particle size not stated
Full ingredient list Yes
no amounts; liquid centre marketed as "proprietary"
Yes
no amounts
Lab reports public No No
Studies cited on site No
dentist-formulated claims, no study citations found
Yes
39 numbered citations
Money-back guarantee 30 days
money-back, "no questions"
not disclosed
Verifiability scorecard RevitaBite Underbrush
Dose disclosed not disclosed not disclosed
Documents downloadable 0 0
Guarantee in writing Yes
30-day money-back, "no questions"
No
gum is final sale; guarantee only via a paid add-on
Reviews verifiable off-site No
on-site testimonials only
No
on-site widget only

RevitaBite does not publish a per-piece dose, offers 0, and lists its guarantee as 30 days. Underbrush does not publish a per-piece dose, offers 0, and lists its guarantee as not disclosed. Every cell above is what each brand states publicly, nothing is scored on taste or opinion; where a cell says not disclosed, the claim could not be verified from the brand’s own materials.

This comparison is generated from the Hydroxyapatite Gum Database, maintained by Minvelle. We sell a gum in this category and appear in the same database under identical rules, which is exactly why every cell here is sourced instead of scored.