Loose Stools Again? Get Your Cat Back to Firm Stools in Around 30 Days.
Each serving delivers 346M CFU, led by spore-form Bacillus coagulans that survives stomach acid and reaches your cat's gut intact—so support starts where the problem begins.
5.0/5 · Verified Customer Reviews
30-Day Money-Back Guarantee
Loose Stools For Months? Two Drops On Her Dinner — No Pill, No Fridge, No Fight.
- Supports healthy digestion & normal gut flora balance
- Helps maintain a healthy appetite & normal stool
- No capsule, no refrigeration — mixes into food she already eats
- Spore-form Bacillus coagulans, protected to survive stomach acid
Works or it's free.
Works, or you don't pay. Use it for 30 days. If her stools aren't holding better shape, email us — full refund, keep the open bottle, don't post anything back.
How Does It Work?
The Science Behind Kinveta
Ask most owners what they've already tried for loose stools and the list is the same one: plain chicken, a rice bowl, a bag labelled sensitive stomach, a scoop of pumpkin, one more food switch. Some of it buys a quiet weekend. Then Monday arrives, and so does the mess.
None of it changes the thing that actually decides how stool comes out.
Stool holds its shape when the gut moves at the right pace. When the bacterial population in her intestine tips out of balance, the gut wall turns reactive and speeds up — food passes through before water can be drawn back out, and the tract pushes the other way when it has had enough. What leaves her is loose not because of what went into the bowl, but because of the pace it travelled at.
Four things have to move together:
Rebalance the bacteria so the pace settles back toward normal
Support the intestinal lining so the gut stops over-reacting to ordinary food
Support water balance in the intestine so output can hold its shape
Ease the gurgling and cramping that keep the whole tract unsettled
Change one and the others undo it. That's why bland diets and fibre scoops keep half-working — they adjust what goes in and bulk up what comes out, and leave the gut in between exactly as it was.
The Survival Problem
Lactobacillus and bifidobacterium earn their place in a formula. On their own, though, they're delicate. A large share of what's printed on the label never survives the acid on the way down — which is how an impressive CFU number on the front of a box turns into no change at all in the litter box.
Kinveta carries [ 6] live strains at [ 250 MILLION CFU ], then anchors them with Bacillus coagulans — a spore-forming strain that travels inside its own protective shell and reaches the intestine intact, needing nothing else to get it there.
A label tells you what went in. The spore is what decides how much arrives.
What Can Kinveta Help With?
💧 Loose and unformed stools — where it starts
Soft-serve, shapeless or fully liquid output means the intestine is moving faster than water can be reabsorbed. Kinveta works on that pace at its source — bacterial balance and an irritated gut wall — so what reaches the box has the time it needs to take shape.
🤢 Meals that come back up
The same over-reactive gut that hurries things out the back end sends them up the front. As the tract stops treating every meal as something to fight, the after-dinner heaving tends to settle alongside it.
🐈 Urgency and near-misses
A hurrying gut gives no notice. When digestion comes back to a normal pace, the dash for the box — and the accidents beside it — usually ease with it.
✨ Cleanup duty
Every long-haired-cat owner knows this one. Formed stool means the wipe-downs, the trims and the emergency baths stop being a fixture of your week.
💨 Gas and gurgling
The soundtrack of a fermenting, unbalanced gut. Settling the bacteria quiets the noises that tend to show up an hour before the trouble does.
👃 Litter box odour
A bonus most owners notice early: [ CHLORELLA AND SODIUM COPPER CHLOROPHYLLIN ] bind waste compounds in the intestine, so the box stops announcing itself from two rooms away.
🍽 Appetite and bowl trust
A cat whose dinners end in cramps learns to distrust her bowl. As digestion settles, willing eating tends to come back with it.
⚡ Energy
Ongoing loose stools quietly cost fluid and nutrients an older cat can't spare. Getting the value out of her food, instead of losing it, is where the energy comes back from.
🧱 The gut lining
[ L-GLUTAMINE ] is the amino acid the intestinal wall draws on to repair and seal itself — so her gut digests her food rather than reacting to it.
When Will I See Results?
📅 The first couple of weeks
Gut bacteria turn over in days rather than seasons, so this is usually where the first shift shows. Owners most often report longer gaps between episodes, stool beginning to hold some shape, fewer post-meal heaves, and a box that isn't as sharp when you walk past it.
📅 Around day 30
This is where most owners say they can tell — and many can name the exact morning: the first properly formed stool in months, with the heaving down to the occasional hairball. The gut environment has moved, the lining has had time to settle, and the pace has come back to something normal. It's also where your guarantee window sits, so you'll know before it closes.
📈 Past the first month
One good stool can be luck. Weeks of them, through ordinary life and ordinary food, is a gut that has genuinely changed. Daily use is what holds that balance in place.
How Long Until I Get It?
Kinveta is made and shipped in the USA.
Orders leave our facility within 1 to 2 business days, and most customers have their bottle within 4 to 7 business days.
Your tracking number is sent the moment it ships.
Shipping is free on every option except the single-bottle one-time order, which adds $4.95.
Who SHOULD Use Kinveta?
Kinveta is built for the owner who wants to settle loose stools at the source, instead of running another food rotation or another good-week-bad-week cycle.
It's especially worth it for:
Cats whose stools have been soft or unformed on and off for months
Owners who've worked through chicken and rice, sensitive-stomach formulas, pumpkin and powder probiotics with nothing that held
Cats written off years ago as "she's just got a sensitive stomach"
Cats bringing meals back up a few times a week that everyone has stopped remarking on
Older cats whose digestion turned unpredictable as they slowed down
Long-haired cats whose owners are tired of cleanup duty
It goes on whatever she eats now, prescription food included. Nothing about her routine has to change to start.
Who SHOULD NOT Use Kinveta?
We'd rather say this plainly: Kinveta isn't right for every cat.
Blood in the stool, black tarry stool, repeated vomiting alongside lethargy, or vomiting that won't stop — that's a vet appointment today, not a supplement
Sudden severe watery diarrhoea in a kitten or a frail older cat — dehydration moves fast, see your vet first
Cats who haven't been checked for parasites such as giardia or worms — rule those out first, because no probiotic clears a parasite
Anyone hoping for an overnight fix
Kinveta is nutritional support for the cat whose stools have been loose for weeks or months. It isn't emergency care, and it doesn't replace your vet. If your cat is in acute distress, please see them before you order from us — we'd rather you got the right help than spent money on something that was never designed for that situation.
Kinveta IS right for:
The long-running case — loose for months, checked over, "nothing wrong with her"
Stools that firm up for a few days and then fall apart again
Owners who'd rather settle the gut than rotate foods forever
Owners willing to give it a full 30 days
Results or Full Refund Guarantee
Your order is covered by our 30-day money-back guarantee. If her stools aren't holding better shape and her digestion hasn't settled — or you're simply not happy, for any reason at all — get in touch within 30 days and we'll refund your purchase in full.
Thirty days is chosen deliberately. It's long enough for the gut population to turn over and for you to see whether a change actually holds, rather than reading too much into one good morning.
Real Results In Weeks, Not Months
Nearly every piece of advice for loose stools comes down to changing the bowl and waiting it out. Plain chicken and rice. A bag labelled sensitive stomach. A spoon of pumpkin. One more switch. Now and then it buys a settled day or two — and then you're back to cleaning up.
Kinveta takes a different route.
It works in her gut, where the bacterial population turns over in days rather than seasons — so the early signs tend to show up quickly: longer gaps between episodes, stool starting to hold some shape, fewer post-meal heaves, a litter box that isn't as sharp when you walk past it. Around the 30-day mark is where most owners can name the morning they saw the first properly formed stool in months.
That's the difference between rotating foods forever and watching the gut itself settle.
The Four-Mechanism Formula Built Around Bacillus Coagulans
Kinveta is anchored by Bacillus coagulans — a spore-forming strain that travels inside its own natural shell. It survives the acid on the way down and reaches her gut intact, without needing anything else to protect it.
Through the first few weeks of daily use, owners most often report:
- Longer gaps between episodes
- Stool starting to hold its shape
- Fewer post-meal heaves
That survival is what sets Kinveta apart from a shelf full of cat probiotics.
Each serving carries 18 active ingredients — a six-strain probiotic blend alongside L-Glutamine, Chlorella, PEA, Turmeric and Fennel Seed — working on four things at once:
- Rebalance the bacteria so digestion settles back to a normal pace
- Support the intestinal lining so the gut stops over-reacting to ordinary food
- Support water balance so what leaves her can hold its shape
- Ease the cramping and gurgling that keep the tract unsettled
One liquid, built to work on the whole cycle rather than a single piece of it.
The Science Supporting Kinveta
What's inside every bottle:
With Kinveta, you're giving your cat's gut the support it needs to settle — starting where the problem begins
18 Active Ingredients. Four Jobs. One Liquid.
Most cat supplements bet on one ingredient and hope. Kinveta runs eighteen actives, and each one is assigned to a specific job in one of four places.
Rebalance the gut
- Bacillus coagulans — spore-forming strain that survives stomach acid and arrives intact
- Six-strain probiotic blend — L. acidophilus, L. rhamnosus, B. longum, L. plantarum, B. breve, L. casei
- Chicory root inulin — prebiotic fibre that feeds the strains once they land
Support the lining
- L-Glutamine — the amino acid the intestinal wall draws on to repair and seal itself
Support water balance
- Chlorella powder — binds excess water and waste compounds in the intestine
- Sodium copper chlorophyllin — binding and natural odour control
- Kelp powder — trace minerals that support the gut lining
Settle the tract
- Palmitoylethanolamide (PEA) — supports a healthy inflammatory response in the digestive tract
- Turmeric root extract 4:1 — traditional digestive support
- Flax seed powder — plant omega-3
Support the rest of her
- Hydrolysed fish collagen — connective tissue, skin and coat
- Beef liver powder — B vitamins, and the reason she'll take it
- Fennel seed powder — eases cramping, gas and the post-meal rush
Inactive ingredients
Glycerin USP, water, natural flavors, sodium benzoate, potassium sorbate, citric acid.
What's not in it
- No pills or capsules
- No bland-diet rotation required
- No corn, wheat or soy
- No added sugar
- No cheap fillers
The Kinveta Promise
Made In The USA
FDA-Registered, GMP-Certified Facility
Every Batch Tested For Purity And Potency
Made For The Gut Her Whole Body Depends On
No Pills, No Diet Switch
30-Day Money-Back Guarantee
Kinveta: The Road Back To Firm Stools And Settled Digestion
Settling in.
The strains arrive and start establishing themselves, while chlorella begins binding excess water and waste already sitting in the intestine. You may still get episodes this week — that's expected.
The stool you remember.
Episodes start spacing out, stool begins holding its shape, and somewhere in this window comes the first genuinely solid scoop in months.
It stays.
The lining has had time to settle and digestion runs at a normal pace. Urgency fades, the near-misses ease off, the heaving quiets, and good days stop collapsing back into bad ones.
Where you'll know.
One formed stool can be luck. A run of them is a gut that has genuinely changed — which is exactly what the 30-day guarantee gives you time to see.
It builds.
Daily use keeps digestion steady through food changes, stress and age. Firm becomes the default rather than the exception.
The new ordinary.
A litter box you scoop without bracing yourself, from a routine that takes about five seconds at her bowl. That's the whole point of it.
Kinveta vs Ordinary Cat Probiotics
Kinveta
Ordinary Cat Probiotics
Real cats. Real litter boxes. Real change.
Trusted By Cat Owners Everywhere
Emma N.
★★★★★
My cat had stage 3 kidney disease and showed little progress with previous care. Within weeks of using this supplement, he was eating more, gaining weight, and becoming active again. Six months later, he is still doing well.
Maria G.
★★★★★
My 15-year-old cat was declining despite prescription food and medication. After starting these drops, she gradually became more energetic, ate better, and started playing again. Her recent lab results were also more encouraging.
Sophie R.
★★★★★
My cat had early kidney problems, poor appetite, weight loss, and low energy. Within a few weeks of using these drops, he began eating better and acting more like himself. His latest kidney results were stable, which gave me real hope.
What cat parents are saying
★★★★★ 5.0 · based on reviewsFinally seeing more consistent stools
"I’ve been giving these drops to my cat every day, and her digestion has become much more consistent. Her stools are more formed, the litter box is easier to manage, and her routine feels much more regular now. I’m very pleased with the improvement."
Very happy with the results
"My cat has always had a sensitive stomach, and these drops have fit beautifully into her daily routine. After using them consistently, her stools became more regular and she seems much more settled after meals. I’m glad we added this to her food."
The gas has improved so much
"My kitten used to have a very sensitive tummy, and these drops have made a noticeable difference. His digestion feels calmer, his gas has reduced, and his stools are much more formed now. He also continues to eat really well."
So easy to add to her food
"I really like how simple these drops are to use. I add them directly to my cat’s regular food, and she eats everything normally. Her digestion has become more consistent, and her litter box routine is much easier now."
My senior girl is eating so well
"My 14-year-old cat has been doing very well with these drops. Her appetite has improved, she looks forward to mealtime, and her digestion seems much more settled. I’m very happy with how she is doing."
Her litter box is much more predictable
"Since adding these drops to my cat’s daily routine, her stools have become much more consistent. The litter box is easier to scoop, and everything feels much more regular from day to day. It has been a wonderful addition for her."
A great addition to her routine
"I’ve used other digestive supplements before, and I really like how easy these drops are to mix into wet food. My cat eats them without any hesitation, and her stools are firmer and more regular now."
My senior cat seems so comfortable
"My older cat has responded really well to these drops. His digestion seems more settled, he enjoys his meals, and he has been acting more like himself. I’m very pleased with the overall change."
Wish I had found these sooner
"These drops have become such an easy part of my cat’s routine. Her stools are more consistent, her digestion seems calmer, and she continues to enjoy her regular food. I’m very happy with the results."
A big improvement for my kitten
"My kitten has been doing so well since we started these drops. His stools are more formed, his tummy seems settled, and he is eating and growing beautifully. I’m very happy with how well this has worked for him."
Simple and easy to use every day
"My cat does very well with these drops mixed into her food. She eats normally, and her digestion has become much more regular since we started. I really appreciate how easy it is to use every day."
Wonderful for my long-haired cat
"My long-haired cat has been doing beautifully with these drops. Her stools are much firmer and easier to manage, and keeping her clean has become much simpler. I’m very pleased with the difference."
Her appetite is so much better
"My older cat has been eating much more consistently since we started these drops. She seems comfortable after meals, her digestion is more regular, and she is enjoying her food again. I’m very happy with her progress."
The litter box is so much easier
"I noticed the difference in the litter box pretty quickly. My cat’s stools are more formed, easier to scoop, and much more consistent from day to day. It has made his routine feel much more balanced."
Steady improvement over time
"I’ve been using these drops consistently, and my cat’s digestion has continued to improve. Her stools are firmer and more regular, and she seems comfortable after meals. I’m very satisfied with the results."
My picky cat eats it happily
"My cat is very particular about her food, and she eats her meals normally with these drops mixed in. Her digestion has become much more consistent, and the daily routine is very easy to maintain."
Easy to stay consistent with
"These drops fit perfectly into our daily routine. I add them to my cat’s food once a day, and his stools have become much more regular. I really like how simple and convenient they are to use."
A calmer tummy and better routine
"My cat’s digestion seems much more settled since starting these drops. He has less gas, his stools are more formed, and he is doing very well at mealtime. I’m very happy with the overall improvement."
My senior cat seems like herself again
"My 16-year-old girl has been doing wonderfully with these drops. Her appetite is steady, her digestion is more regular, and she has been more active around the house. It has been lovely to see."
Such a relief for his digestion
"My cat’s stools have become noticeably firmer and much more consistent since using these drops. His digestive routine feels much more balanced now, and the litter box is much easier to manage."
Perfect with her regular food
"I really like that I can add these drops directly to the food my cat already enjoys. Her digestion has become more regular, her stools are more formed, and she continues to eat very well."
Our mornings are much easier
"My cat’s morning litter box routine has become so much more consistent since starting these drops. His stools are firmer and easier to scoop, and he seems comfortable throughout the day."
I noticed the litter box improvement first
"The first thing I noticed was how much more formed my cat’s stools looked. Since then, his digestion has continued to stay regular, and he is doing very well overall. I’m very pleased."
Great for my older picky cat
"My older cat eats these drops easily when they are mixed into her wet food. Her appetite has been steady, and her digestion has become much more predictable. This has been a great addition to her routine."
Her good days are now the normal days
"My cat’s digestion has become much more consistent since using these drops every day. Her stools are formed, her routine is regular, and she seems very comfortable after meals."
The improvement has been steady
"After using these drops consistently, my cat’s stools have become firmer and her digestion feels much more balanced. She is doing very well, and I’m happy to keep this as part of her daily routine."
Much easier with my fluffy cat
"My fluffy cat has responded really well to these drops. Her stools are much more formed, and keeping her clean has become much easier. She also eats her food normally with the drops mixed in."
He enjoys mealtime again
"My cat has been eating very well since we added these drops to his routine. His digestion seems settled, his stools are more regular, and he looks forward to his meals every day."
Exactly what I wanted from a daily probiotic
"I wanted something simple that I could add to my cat’s food every day, and these drops have been a great fit. His digestion is more consistent, his stools are firmer, and the routine is very easy."
Very pleased with how well these work
"These drops are simple to use and have made a noticeable difference in my cat’s digestion. Her stools are more formed, and she eats her meals normally with the drops mixed in."
My kitten’s tummy is doing great
"Our kitten has been doing very well with these drops. His digestion is more regular, his stools are nicely formed, and he has a healthy appetite. I’m very happy with how he is progressing."
A great addition for my senior cat
"My older cat has been doing beautifully with these drops mixed into her regular food. Her stools are more consistent, her appetite is steady, and she seems comfortable throughout the day."
So glad I decided to try these
"My cat’s digestion has become much more regular since we started using these drops. His stools are firmer, he eats normally, and the litter box is much easier to manage."
He is enjoying his food again
"My older cat has been showing much more interest in his meals since using these drops. His digestion also seems much more settled, and his stools are consistently formed."
Cleaner litter box and easier routine
"My cat’s stools are more formed now, which has made the litter box much easier to scoop and keep fresh. Her digestion feels much more regular, and I’m very happy with the improvement."
Our cat is doing really well
"We started these drops as part of our cat’s daily routine, and his digestion has become much more consistent. He is eating well, his stools are more formed, and he seems comfortable and happy."
So much easier than other formats
"I love how simple the liquid drops are to add to my cat’s food. She eats everything normally, and her digestion has become much more regular. It is an easy routine for both of us."
A noticeable improvement in a few weeks
"My cat’s digestion has improved steadily since we started these drops. His stools are more formed, his routine is more consistent, and he seems comfortable after meals. I’m very pleased."
My older girl is doing beautifully
"My 15-year-old cat has been doing so well with these drops. Her digestion is more regular, she is eating consistently, and she seems comfortable and content throughout the day."
A perfect fit for our daily routine
"These drops are very easy to add to my cat’s meals, and she eats them without any issue. Her stools have become more consistent, and her digestion seems nicely balanced. I’m very happy to keep using them."
Her stools are finally more consistent
"I’ve been adding these drops to my cat’s food every day, and her stools have become much more formed and regular. Her digestion seems settled, and the litter box is much easier to manage now. I’m very pleased with how well this fits into her routine."
A great choice for my sensitive cat
"My cat has a very sensitive stomach, and these drops have been a wonderful addition to her meals. Her digestion feels much more balanced, and her stools are noticeably more consistent. She eats her food normally with the drops mixed in."
Less gas and better digestion
"My kitten has been doing really well since we started using these drops. His gas has reduced, his stools are more formed, and his stomach seems much more settled after meals. I’m very happy with the improvement."
So easy to use every day
"I really like how simple these drops are to add to my cat’s regular food. She eats everything without any issue, and her digestion has become much more predictable. Her litter box routine is also much more consistent now."
Perfect for my older cat’s routine
"My senior cat has been doing beautifully with these drops. His stools are more regular, his digestion seems comfortable, and adding the drops to his food takes just a few seconds. I’m very happy to keep this as part of his daily routine."
Frequently Asked Questions
Can't find what you're looking for? Our support team is at support@kinveta.com
How quickly will I see a difference?
Most owners notice the first shifts inside the first couple of weeks — longer gaps between episodes, stool starting to hold some shape. Around day 30 is where the change tends to be unmistakable. Give it the full month before you judge it.
What's in it?
[ 18 ] active ingredients, led by spore-forming Bacillus coagulans alongside a multi-strain probiotic blend, chicory root inulin, L-Glutamine, chlorella, kelp, PEA, turmeric, flax, collagen, beef liver and fennel seed. The complete panel is listed in full further up this page — we don't hide it.
How do I give it to my cat?
Shake the bottle, then add the daily serving straight onto her food — wet or dry, whatever she's already eating. No pill, no capsule, no diet change. If she's a suspicious eater, start with half and build up over a few days.
How long does a bottle last?
One bottle is a [ 30 ]-day supply for one cat at the daily serving. If you're dosing two cats, a bottle covers roughly half that.
Is it made in the USA?
Yes. Kinveta is made and bottled in the USA and every batch is tested for purity and potency.
Is there a money-back guarantee?
There is. Use it for 30 days, and if her digestion hasn't settled — or you're simply not happy for any reason — email us within 30 days of delivery for a full refund. Keep the bottle.
Can I give it alongside her other food or medication?
It goes on whatever she eats now, prescription food included. Because we can't see what else she's on, mention it to your vet — a single message to the practice is enough. Kinveta is digestive support, not a treatment, and it doesn't replace veterinary care.