Explore more

Immunity Compostable Refill

WHITENING TOOTHPASTE

4.8
Rated 4.8 out of 5 stars
410 Reviews

Greet the day with confidence with Duo tablets for vitality and immune support. We topped off our signature oral microbiome-balancing tablets with a perfectly portioned dose of vitamin D3 (30mcg) and vitamin B12 (6mcg) to bolster the body’s defenses and lift mood. Consider it your sunshine on a cloudy day.

Your subcription will include 1 glass printed bottle that holds 62 tablets + compostable refill pouches.

Do you want to create your own Duo combination?

Modify, Skip or Cancel Anytime!

Stay consistent
Build healthy routine
Free Gifts
Exclusive Access

+ 100% Guaranteed - return for full refund if not satisfied

+ Free shipping on orders over $40

Inside the tablet

30mcg vitamin D3
bolsters immune defenses and mood
6mcg vitamin B12
boosts mood and neurological function
nano-hydroxyapatite
remineralizes teeth
xylitol (birch extract)
promotes saliva production
calcium carbonate
natural polish
sodium bicarbonate
natural polish
cellulose
provides structure to tablets
xanthan gum
protects against dry mouth
magnesium stearate
vegetable-derived powder lubricant
hydrated silica
natural polish
menthol
cooling, soothing sensation
natural flavor
sage, peppermint, wintergreen, spearmint
vitamin C, vitamin E
gum health
stevia leaf extract
cavity-fighting plant extract

A higher standard

Naturally whitening
Anti-sensitivity
Sustainable + vegan
Hydrating, silky foam
Travel-friendly + mess-free
  • absorbs while you brush
  • gentle, efficient digestion
  • rapid uptake test
Standard Supplement Pills

Explore more
files/8073475_vegan_vegeterian_eco_sustainable_environment_icon_1.svg

Vegan

files/SLS_Free.svg

SLS-Free

files/Caduceus.svg

Dentist Created

files/Rabbit.svg

Cruelty-free

files/3365979_basil_bay_leaves_herbal_herbs_mint_icon_1.svg

Non-Toxic

files/Fluroid_Free_Icon_9f88b4cf-9282-43c9-bbfb-0f61f16f4ae9.svg

Fluoride-free

“What you brush 
with matters.”

Tooth enamel cannot repair itself from within, which means your toothpaste has an important job to do. We packed Duo with proven ingredients like nHa to remineralize teeth and promote vibrant oral health. Developed by dentists, better for everyone.

Image sign

Dr. Stevie Roberts, DMD

Dr. Robert Johnson, DMD, MD

Clean Ingredients

Restore and whiten enamel, soothe sensitivity, and balance the oral microbiome while boosting mood and immunity.

Nano-hydroxyapatite

A dentist-backed fluoride alternative that whitens and remineralizes enamel.

Vitamin D3 (30mcg)

Elevates mood and aids neurological function.

Vitamins B12 (6mcg) 

Elevates mood and aids neurological function

Learn more about the science

How to brush with Duo

Crush a tablet between your teeth

Wet your toothbrush

Brush to activate foam

Rinse and smile

Plastic-free made easy

Save up to 33% and lower your carbon footprint with subscription refills (in compostable pouches) delivered right on time.

BUILD MY ROUTINE explore bundles

Reviews

4.8
Rated 4.8 out of 5 stars
Based on 410 reviews
Write a Review (Opens in a new window)
410 reviews
  • CH
    Carol H.
    Verified Buyer
    Reviewing
    Original + 3 Bundle
    I recommend this product
    Rated 5 out of 5 stars
    4 days ago
    Good for your teeth and good for the environment

    I've been using these Duo tablets for a week or two and I love them. I'm letting my husband finish the last of our toothpaste in a tube and then he will switch over as well. No more tubes going in the landfill, no more chemical fillers; just a cute little brown bottle and recyclable refill packages when we need more.

    Was this helpful?
  • PG
    Paul G.
    Verified Buyer
    Reviewing
    Immunity Compostable Refill
    I recommend this product
    Rated 5 out of 5 stars
    6 days ago
    Teeth feel so much stronger

    My teeth are making a noticeable comeback in their strength and appearance.

    Was this helpful?
  • LM
    Lauren M.
    Verified Buyer
    Reviewing
    Immunity Compostable Refill
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    whole family loves it!

    kids and adults love the taste!

    Was this helpful?
  • JK
    James K.
    Verified Buyer
    Reviewing
    Immunity
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    Duo immunity

    Makes me feel like I just left the dentist office. My teeth feel super clean.

    Was this helpful?
Show More