4.8/5 · 2,847 verified reviews

DAILY CAT PROBIOTIC

Give your cat their gut back.

Firmer stool, fewer hairballs, a calmer cat — from just two drops a day. Vet-formulated, made in the USA, no fillers.

Firmer stool in 2–4 weeks Calmer, more playful Shinier coat, less shedding Vet-formulated
Shop Now

90-day money-back guarantee · Free shipping on subscriptions

Give your cat their gut back.

THE OUTCOMES

Three things change when you give your cat their gut back.

Not in a single dramatic moment — but in stages, the way real biology works.

Digestion that finally settles down.

Digestion that finally settles down.

Firmer stool. Less mess. Fewer 3am hairball wake-ups. The first thing cat parents notice — and usually the fastest to show up.

VISIBLE BY WEEK 2-4
A cat that acts like themselves again.

A cat that acts like themselves again.

Less anxious vocalizing. Less hiding. More play, more curiosity. The gut-mood pathway is real — and it works both ways.

VISIBLE BY WEEK 4-8
Coat, energy, and aging — from one daily ritual.

Coat, energy, and aging — from one daily ritual.

Shinier coat. Sleep regulates. Senior cats move easier. The compounding effects of a balanced gut over time.

VISIBLE BY MONTH 2-3

The kibble problem — and the fix.

Dry food and stress quietly wreck a cat's gut. Biopurr rebuilds it.

Without Biopurr

  • Loose stool and a litter box that reeks
  • Weekly 3am hairballs
  • Vomiting after meals
  • Dull coat and heavy shedding
  • Low energy, hiding, less playful
  • Expensive vet visits with no answers

With Biopurr

  • Firmer stool, a box that doesn't smell
  • Hairballs drop off within weeks
  • Digestion settles, vomiting stops
  • Shinier coat, noticeably less shedding
  • Calmer, more playful — the gut-mood link
  • Two drops a day, backed by a 90-day guarantee
BEFOREBEFORE
AFTER — 8 WEEKS LATERAFTER — 8 WEEKS LATER

THE MOMENT IT SHIFTS

She's hers again.

For two years she'd been hiding under the couch. Vomiting after meals. Tired all the time. Eight weeks on Biopurr — yesterday she climbed onto my lap during a Zoom call and stayed there. Same cat. Different gut.

— Sarah M., mom to Pepper, 11, calico

Biopurr vs. other cat supplements

Most are repackaged dog or human formulas. Biopurr is built for cats — and nothing else.

What matters
Biopurr
Others
Formulated specifically for cats
Liquid — two easy drops, no pills or powder
Clinically studied probiotic strains
No fillers, no synthetic additives
Vet-formulated, made in the USA
90-day money-back guarantee
Subscribe & save with free shipping
90 day money-back guarantee

RISK-FREE

If your cat doesn't visibly improve in 90 days, we'll refund you. Every cent.

No return shipping. No 'must be unopened' rules. No conditions. Use Biopurr however you want — if your cat doesn't visibly improve, we refund every cent.

Order Biopurr
Try it for 90 days
Not happy? Email us — full refund.

Fast, Free Shipping

Free on every subscription. Ships within 1–3 business days.

Real Human Support

Questions? Email support@biopurr.com

Secure Checkout

American Express Apple Pay Diners ClubDiscoverGoogle Pay Mastercard PayPalShop Pay Visa