the tablet toothpaste
that does both

  • naturally-whitening
  • dentist-made
  • earth-friendly
  • travel-ready
vitamins & supplements 
absorbed as you brush

vitamins & supplements
absorbed as you brush

Formulated by two dentists, Duo makes the first naturally whitening, earth-friendly tablet toothpaste infused with vitamins + supplements.

Customize your daily Duo to get more of what you need.

Energy in the morning

Immunity for vit D levels

Energy + Sleep for travel

Sleep routine complete

How to brush with Duo


Pop a tablet and
chew to break down.


Wet your toothbrush, and
brush to activate foam.


Rinse and smile.
No need to swallow.

  • All-natural
  • Earth-friendly
  • Travel-ready
  • Whitening
  • All-natural
  • Earth-friendly
  • Travel-ready
  • Whitening

Build your routine + save.

Save up to 33% with regular deliveries while minimizing your carbon footprint
Recyclable glass bottles + compostable refill packets.
Formulated by a pair of dentists with clean ingredients and premium supplements.
100% guaranteed— return for a full refund if you’re not satisfied.

Loved and
recommended by
other dentists.

Plenty of foamy action, leaving your teeth feeling clean, fresh and polished all with the peace of mind of safe natural ingredients and a boosted benefit of vitamins and minerals. This is a tremendous product for all.

Kendra Melody, RDH

Duo is exciting for many reasons! nHA rebuilds, restores, and protects the enamel, while offering an alternative to traditional fluoride that also whitens and fights sensitivity.

Kelly Barbera, DMD

The Duo purpose of preventing cavities and sensitivity while simultaneously delivering functional ingredients through mucosal absorption is genius.

Hayley Sacks, DMD

Duo has me excited about brushing again. Thanks to the caffeine and melatonin, I have consolidated my morning and evening routines.

C. Johnston, DMD

The addition of vitamins and minerals is a unique idea that feels so intuitive for oral health! I am excited that each blend benefits my patients in a unique way!

Samantha Ward, DMD

Duo’s tablets are a quick, easy, and refreshing way to strengthen AND whiten my teeth.

Abby Yazback, DMD

we love our #duodiehard community