
Dog bad breath supplements
Dog breath and oral health support, in layers. Brushing and vet dental checks come first. Microbiome Care adds a daily layer: a vet-formulated powder with an oral-health postbiotic (COHP), plus gut and skin support. Breath that changes suddenly, or comes with drooling or sore gums, needs a vet.
4 formulas

Daily foundation
Microbiome Care
From $34.99 $1.17/day
Daily gut, oral and skin support in one sachet



Dietary supplements for dogs. Ask your vet if your dog has a health condition or takes medication.
How to choose
Which one fits your routine?
Breath care has layers. Microbiome Care adds a daily one, it does not replace the others.
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Fresh breath, every day
Microbiome Care includes an oral-health postbiotic (COHP) in a daily sachet. In our owner survey, about 70% noticed fresher breath. Results vary.
See Microbiome Care -
Breath and a settled gut
The same sachet adds postbiotic and prebiotic support for the gut, so one daily scoop covers more than the mouth.
See what is inside -
One more job to cover
Microbiome Care pairs with Itch & Immune Care, Calming Care or Metabolic Care as a one-time bundle sized to your dog.
See the bundles
Breath care layers
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Brushing and dental checks first
Brushing and regular vet dental checks are the base. Nothing in a sachet replaces them.
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Then a daily layer
Microbiome Care is a daily powder with an oral-health postbiotic, stirred into food, plus gut and skin support.
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Know when to see the vet
Breath that changes suddenly, smells sweet or like ammonia, or comes with drooling, sore gums or loss of appetite needs a vet visit first.
Guides that go deeper
Oral & breath: your questions
Why does my dog’s breath smell like fish?
Many things can cause it, from food and dental build-up to something your vet should look at. If it is new, strong or comes with drooling, sore gums or appetite changes, book a vet visit before trying anything else.
What is COHP?
COHP is the oral-health postbiotic in Microbiome Care. It has been studied in dogs in published, placebo-controlled trials. Those studies looked at the ingredient, not our product, and were funded by the ingredient supplier.
Will a supplement replace brushing?
No. Brushing and regular dental checks come first. Microbiome Care adds a daily layer beside them. In our owner survey, about 70% noticed fresher breath. Results vary.
How do I give Microbiome Care?
Stir one sachet into food. Sachets per day follow weight: 1 under 20 lb, 2 for 20 to 50 lb, 3 above 50 lb.
Is it only for breath?
No. Microbiome Care is a daily gut, oral and skin formula. Every Plentum formula is vet formulated, and the full ingredient list is on the pack.
Shop by need
What each formula is built to support
One daily 2 g sachet per formula. Pick the one that matches what you notice most.
- Gut & digestionGut RestoreSupports normal bowel function and healthy stool consistency, and helps maintain a balanced gut.
- Calm & stressCalming CareSupports a calm, relaxed demeanor during occasional situational stress such as storms, travel or vet visits.
- Skin & itchItch & Immune CareSupports a normal immune response to environmental and seasonal triggers, and helps maintain a healthy coat.
- Healthy weightMetabolic CareSupports proper weight management alongside portion control and exercise.
Better together
Pair two formulas and save
Bundles are a one-time purchase. Each formula is its own sachet, so a dog on two takes both every day.










