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How Enterococcus Faecium in Cat Probiotics Reduces Litter Tracking

Discover why probiotics with Enterococcus faecium firm stools to cut litter tracking. We compare 5 top picks, including Purina Pro Plan FortiFlora, for cleaner paws.

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Purina Pro Plan Veterinary Diets FortiFlora Cat Probiotic Supplement โ˜… Top Pick: Purina Pro Plan Veterinary Diets FortiFlora Cat Proโ€ฆ Check Price on Amazon →
1 to 10 billion
CFU per serving range
Enterococcus faecium
Most common probiotic strain
2 to 4 weeks
Typical time to see improvement
Powder, chew, capsule
Available forms
โšก Key takeaways
  • Best Overall: Purina Pro Plan Veterinary Diets FortiFlora Cat Probiotic Supplement. FortiFlora is a leading probiotic with Enterococcus faecium, proven to support digestive h.
  • Best for Sensitive Stomachs: VetriScience Probiotic Everyday for Cats. This chewable probiotic includes prebiotics and digestive enzymes, making it ideal for cat.
  • Best Budget: Pet Naturals Daily Probiotic for Cats. An affordable option with 1 billion CFUs per chew, plus added prebiotics.
  • Best Multi-Strain Formula: Nutramax Proviable-DC Multi-Strain Probiotic for Cats. Contains seven strains of beneficial bacteria and prebiotics in a capsule form that can be.
  • Best Tasting: Zesty Paws Probiotic Bites for Cats. These soft chews are flavored with duck and have a palatable taste that most cats enjoy.
At a Glance

Quick Comparison

Quick answer

Our top pick is Purina Pro Plan Veterinary Diets FortiFlora because it contains a proven probiotic strain (Enterococcus faecium) that supports digestive health and can help firm up stools, reducing litter tracking. For cats with sensitive stomachs, VetriScience Probiotic Everyday is a great alternative with added prebiotics. If budget is a concern, Pet Naturals Daily Probiotic offers solid support at a lower price.

What to consider for Cat Probiotic For Cats That Track Litter

Litter tracking often stems from loose stools or frequent bathroom visits. A probiotic can help by balancing gut bacteria, leading to firmer stools that are less likely to stick to paws. Look for a product with at least one well-researched strain like Enterococcus faecium or Bifidobacterium animalis. Also consider the form: powder is easy to mix into food, while chews are convenient for picky cats. Check for added prebiotics (like FOS) to feed the good bacteria. Avoid products with unnecessary fillers or artificial ingredients. Always consult your veterinarian before starting a new supplement, especially if your cat has underlying health issues.

What to look for in a cat grooming tool or toy

When choosing a grooming tool or toy for a cat that tracks litter, focus on items that help reduce loose fur and dander, as these can contribute to litter tracking. For grooming tools, look for a deshedding brush with stainless steel teeth that reach the undercoat without irritating the skin. For toys, interactive options like wand toys or treat puzzles can encourage exercise and mental stimulation, which may reduce stress-related litter box issues. Ensure all materials are non-toxic and free of small parts that could be swallowed. Size matters: the tool should fit comfortably in your hand, and toys should be appropriately sized for your cat to bat and carry safely. Genuine enrichment value is key; a toy that mimics prey behavior (like feathers or crinkle sounds) can keep your cat engaged and reduce boredom.

How we chose these picks

  • Reviewed the probiotic strain and CFU count to ensure efficacy.
  • Checked for third-party testing or certification when available.
  • Considered palatability and ease of administration (powder vs. chew).
  • Read verified customer reviews focusing on litter box improvements.
  • Evaluated the brand’s reputation and history of safety.
  • Compared price per serving to find value options.
  • Consulted veterinary resources for recommended strains.
  • Never ranked a product higher just because it pays a commission.

What to avoid

  • Probiotics with artificial colors, flavors, or preservatives.
  • Products that make unrealistic claims (e.g., “cures all litter box issues”).
  • Human probiotics, as they may not contain cat-safe strains.
  • Chews that are too hard for senior cats or kittens.
  • Powders that clump or have a strong smell that cats dislike.

For more tips, check out our cat guides, cat food, and cat health sections.

Why this matters

Probiotics containing Enterococcus faecium are particularly effective for firming stools in cats, which can directly reduce litter tracking by minimizing loose stool residue on paws.

The Options

Types Explained

Powder Probiotics

Fine powder that can be sprinkled over food. Often flavorless or lightly flavored. Easy to mix and dose accurately.

Best for: Cats that eat wet food; owners who want precise dosing.

Chewable Probiotics

Soft or hard chews with a palatable flavor. Convenient for travel and no mixing required.

Best for: Cats that accept treats; owners who want a quick option.

Capsule Probiotics

Capsules that can be opened and mixed into food or given whole. Often contain multiple strains.

Best for: Cats with sensitive stomachs; owners who want flexibility in dosing.

Liquid Probiotics

Liquid suspensions that can be added to water or food. May require refrigeration.

Best for: Cats that refuse powders or chews; kittens or seniors needing easy administration.
The Rankings

Top 5 Picks

#1
Purina Pro Plan Veterinary Diets FortiFlora Cat Probiotic Supplement
Best Overall

Purina Pro Plan Veterinary Diets FortiFlora Cat Probiotic Supplement

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FortiFlora is a leading probiotic with Enterococcus faecium, proven to support digestive health and firm stools. It comes in easy-to-use powder packets that most cats love. The main downside is the price per packet, which can add up for multi-cat households.

#2
VetriScience Probiotic Everyday for Cats
Best for Sensitive Stomachs

VetriScience Probiotic Everyday for Cats

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This chewable probiotic includes prebiotics and digestive enzymes, making it ideal for cats with sensitive stomachs. It contains 5 billion CFUs per serving. However, some cats dislike the taste, and it may need to be crushed into food.

#3
Pet Naturals Daily Probiotic for Cats
Best Budget

Pet Naturals Daily Probiotic for Cats

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An affordable option with 1 billion CFUs per chew, plus added prebiotics. It supports regular digestion and helps reduce stool odor. The chews are chicken-flavored and generally well-accepted. The lower CFU count may be less effective for severe digestive issues.

#4
Nutramax Proviable-DC Multi-Strain Probiotic for Cats
Best Multi-Strain Formula

Nutramax Proviable-DC Multi-Strain Probiotic for Cats

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Contains seven strains of beneficial bacteria and prebiotics in a capsule form that can be opened and mixed with food. It is often recommended by veterinarians for diarrhea management. The capsules are small, but some cats may refuse the taste.

#5
Zesty Paws Probiotic Bites for Cats
Best Tasting

Zesty Paws Probiotic Bites for Cats

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These soft chews are flavored with duck and have a palatable taste that most cats enjoy. They contain 1 billion CFUs and added pumpkin for fiber. The downside is that they contain some fillers like glycerin, and the chew form may not be suitable for cats with dental issues.

Before You Buy

Key Buying Factors

01

Probiotic Strain Diversity

Look for products with multiple strains, such as Lactobacillus and Bifidobacterium, which can target different aspects of gut health. Single-strain options may be less effective for overall balance.

02

CFU Count

Colony-forming units (CFUs) indicate the number of live bacteria. For cats, 1 to 10 billion CFUs per serving is typical. Higher counts aren't always better; consistency matters more.

03

Prebiotics Included

Prebiotics like FOS or inulin feed the good bacteria, enhancing probiotic effectiveness. Products with both are often more beneficial for gut health.

04

Palatability and Form

Powders are easy to mix into wet food, while chews are convenient for on-the-go. Choose a form your cat will accept. Some cats are picky about taste or texture.

05

Brand Reputation and Quality

Opt for brands with a history of safety and quality control. Look for third-party testing or certifications to ensure potency and purity.

Living With It

Care, Cost and Maintenance

Storage and Shelf Life

Store probiotics in a cool, dry place. Some require refrigeration after opening. Check expiration dates and use within the recommended period to ensure potency.

Introducing to Your Cat

Start with half the recommended dose for the first few days to allow your cat's digestive system to adjust. Gradually increase to the full dose. Monitor for any adverse reactions like vomiting or diarrhea.

When to Consult a Vet

If your cat has chronic digestive issues, is on medication, or has a compromised immune system, consult your veterinarian before starting probiotics. They can recommend the best strain and dosage.

Pro tip

To maximize effectiveness, give the probiotic at the same time each day, preferably with a meal, and store it according to package directions to maintain potency.

Frequently asked questions

How often should I give my cat a probiotic?
Most probiotics are designed for daily use. Follow the manufacturer's instructions, typically one serving per day. Consistency is key for maintaining gut health. If your cat's symptoms improve, you may be able to reduce frequency, but consult your vet first.
Can probiotics help with litter tracking?
Yes, by improving stool firmness, probiotics can reduce the amount of litter that sticks to your cat's paws. Firmer stools are less likely to crumble and leave residue. However, litter tracking also depends on litter type and box design.
Are there any side effects of probiotics for cats?
Side effects are rare but may include mild gas, bloating, or changes in appetite. These usually resolve within a few days. If your cat experiences persistent vomiting or diarrhea, discontinue use and consult your vet.
Can I give my cat human probiotics?
It is not recommended because human probiotics contain strains and dosages formulated for humans, which may not be safe or effective for cats. Always use products specifically designed for feline digestive systems.
How long does it take for probiotics to work in cats?
Some cats show improvement within a few days, but it typically takes 2 to 4 weeks of consistent use to see noticeable changes in stool quality and litter box habits. Patience is important.
Do probiotics need to be refrigerated?
Some probiotics require refrigeration to maintain potency, while others are shelf-stable. Check the product label. If refrigeration is needed, keep them in the fridge and avoid leaving them out for extended periods.
Can probiotics help with hairballs?
Probiotics primarily support digestive health, which may indirectly help with hairball passage by improving gut motility. However, they are not a direct treatment for hairballs. Regular grooming and hairball-specific products are more effective.
What is the difference between probiotics and prebiotics?
Probiotics are live beneficial bacteria that colonize the gut. Prebiotics are non-digestible fibers that feed those bacteria. Many cat probiotics include both for enhanced effectiveness.
Can I mix probiotic powder with dry food?
Yes, you can mix powder with a small amount of wet food or water and then coat the dry food. However, ensure your cat eats the entire serving to get the full dose. Some cats may prefer it mixed directly into wet food.
A note on advice: This guide is general information, not a substitute for professional veterinary advice. Talk to your vet before changing your dog's diet or care routine, especially if your dog has allergies, kidney disease, pancreatitis, obesity, heart disease or any other medical condition.
Transparency

How we made this guide

How we chose. We compared the options on the factors that matter most for Cat Care Products, using manufacturer specifications, aggregated verified owner reviews and editorial comparison. We rank independently: no brand pays for placement, and affiliate commissions never influence our picks.

How it was written. This guide was researched, reviewed and edited by the ProPawPicks editorial team for accuracy and usefulness. We have not personally tested every product; where we have not, rankings rely on verified specs, owner feedback and expert comparison rather than a hands-on review.

Affiliate disclosure. ProPawPicks is reader-supported. If you buy through links on our site, we may earn a commission at no extra cost to you. See our affiliate disclosure.

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Sources and further reading

Some links below are affiliate links. If you buy through them we may earn a small commission at no extra cost to you. Our rankings are based on product research, label data and suitability, not on commissions.