Gut & Digestive Health
Gut & Digestive Health
Gut & Digestive Health
Gut & Digestive Health
Gut & Digestive Health

"She was throwing up every other day and her stool was always off. Two weeks on Catsen — no more vomiting, firm stool, and her coat is shinier than it's been in years. "

Sarah M., 52

Gut Health Formula

(3263 reviews)

100% Human-Grade Ingredients

The vet-formulated daily powder for complete digestive support & long-term gut health.

6 research-backed ingredients

Tasteless & Odorless

5 essential benefits in 1 daily sachets

IN STOCK

Shipping & Payment

Free shipping on allorders  above $50 

 

Processing time: 1 to 2 business days Our standard shipping time within the US is 3 to 7 days.

 

Have more questions? Email us at support@trycatsen.com, we respond within 24 hours. 

"She was throwing up every other day and her stool was always off. Two weeks on Catsen — no more vomiting, firm stool, and her coat is shinier than it's been in years. "

Sarah M., 52

Four Core Benefits for Long-Term Health

Our veterinary team developed Catsen around four core areas that are essential for supporting cat health.

Vomit Control — Probiotics and fiber reduce vomiting frequency and support smooth digestion.

Digestive Health — Probiotics and prebiotics support a healthy digestive system.

Healthy Stool — Fiber and enzymes promote firm, regular stool.

Immune Health — A balanced gut supports strong immune function.

Here's how Catsen fixes what's breaking down in your cat's gut.

Restore gut flora and stop the damage

Processed food and antibiotics destroy the balance of good bacteria in your cat's gut. Without it, digestion breaks down — and the vomiting starts. Catsen's multi-strain probiotics restore what's been lost.

Support healthy digestion

When gut flora is out of balance, food isn't broken down properly — it sits, ferments, and comes back up. Catsen's prebiotic fiber and B12 help your cat absorb more from every meal.

Rebuild and protect the gut lining

Years of processed food wear down the protective lining of your cat's digestive tract. Once it's damaged, irritation and inflammation take over. Catsen repairs that barrier from the inside out — so digestion stays smooth long term.

  • 1 Week

Less vomiting, less mess. Probiotics begin rebalancing the gut flora and calming digestive irritation.

  • 1 Month

Your cat keeps every meal down. Stool is firm, coat looks healthier. The gut lining is healing and absorbing nutrients properly again.

  • 3 Months

Digestion has fully stabilized. No more cleaning up the carpet, no more 3am heaving. The gut microbiome is restored and working on its own.

  • 6 Months

More energy, shinier coat, brighter eyes. Your cat's gut is working for them again, not against them. Digestive issues are no longer running the show.

  • 12 Months

Your cat is thriving like the clock has been turned back years. Playing, jumping, full of energy. The gut is strong, the coat is glowing, and you haven't thought about digestion in months.

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  • 1 Week

First walks without limping. Green Lipped mussels and MSM start calming the inflammation and easing the pain.

  • 1 Month

Your dog gets up on their own again. The stiffness is gone. The joint fluid is building back up and the cushion between the bones is returning.

  • 3 Months

Your dog's joints have stabilized. They climb stairs, jump on the couch, and play like they used to. The cartilage is actively rebuilding.

  • 6 Months

More energy, longer walks, pure joy of life. Your dog's joints are working for them again, not against them. Arthritis is no longer running the show.

  • 12 Months

Your dog moves like the clock has been turned back years. Running in the park, chasing their favorite toy, greeting you at the door with excitement. The cartilage has rebuilt, the joints are strong, and every morning starts without pain. This is the dog you remember.

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Real feedback from Catsen customers.

In a recent customer survey, cat owners reported:

87%

Saw a noticeable reduction in vomiting within the first 14 days

91%

Report firmer, healthier stool within the first month

81%

Noticed a shinier coat and more energy

93%

Would recommend Catsen to other cat owners

Hear it from our customers

I ordered Catsen 2 months ago. Honestly, I had no expectations left, after years of switching foods, hairball treats, and everything else you can think of. But after about 10 days, I realized I hadn't cleaned up a single mess. I forgot what that felt like. Every day since then. I'm ordering the 5 pack now so we never run out.

Sarah G., Verified Customer
Title

My cat has had digestive issues for over 3 years. Some weeks she would throw up almost daily. I was scared to leave the house because I knew what I'd come home to. After 3 weeks on Catsen: no more vomiting, firm stool, and she actually finishes her meals. My vet asked what I changed. I just changed one thing.

Daniela S. -  Verified Customer.
Title

I was very skeptical because I had already tried so much. But my friend kept pushing until I ordered it. Now I'm grateful she did. After one week the first change. After one month my cat eats like she used to. Sounds ridiculous, but I almost cried watching her enjoy her food again. Finally.

Monika H. - Verified Customer.
Title

My boy is 11 and has struggled with sensitive digestion his whole life. Vets always just prescribed expensive prescription food, never helped long term. He's been on Catsen now for 4 months. He eats every meal, keeps it all down, and his coat looks better than ever. I wish I had found this years ago.

Lena H.  -  Verified Customer.

Why Catsen outperforms every other digestive supplement for cats.

Catsen

Other Supplements

Long term results

No fillers or artificial additives

Treats the root cause, not just the symptoms

Proper dosing that actually works

5 billion CFU that survive your cat's stomach acid

100% natural ingredients

The ingredients that get your cat's gut working again.

PSYLLIUM HUSK FIBER The natural hairball eliminator. Captures loose hair in the gut and moves it through the system so it never comes back up. Clinically shown to reduce hairball vomiting by up to 79%.

 

MULTI-STRAIN PROBIOTICS (5 BILLION CFU) Restores the gut flora that processed food destroys over time. Five clinically studied strains that rebalance digestion so your cat keeps every meal down.

 

PREBIOTIC FOS/INULIN Feeds and protects the good bacteria so they actually survive and multiply. Gives the probiotics the fuel they need to take root and last.

 

VITAMIN B12 (250µg) Repairs nutrient absorption at the therapeutic dose most supplements don't bother using. Supports the gut lining so your cat gets more out of every meal.

 

PURIFIED CELLULOSE Nature's most effective insoluble fiber for cats. Traps hair, firms up stool, and supports smooth passage through the entire digestive tract without any side effects.

What makes PetBloom so special?

  • Years of development and research

    Our formula was developed in close collaboration with veterinarians and is based on the latest clinical studies in feline digestive health.

  • Natural ingredients, no side effects

    We use premium ingredients at clinically effective doses — not the underdosed blends you'll find on Amazon.

  • Positive experiences

    Over 50,000 cats have found relief from digestive issues with Catsen.

Frequently Asked Questions

Title

How quickly will I see results?

Most cat owners notice the first improvements within 7 to 14 days — less vomiting, firmer stool, calmer digestion. For full gut restoration, we recommend using Catsen consistently for at least 3 to 6 months.

Will my cat actually eat it?

Yes. Catsen is a flavorless powder that you mix into wet or dry food. Your cat won't even notice it's there. No chasing your cat around the house, no hidden pills, no rejected treats.

Is Catsen safe to use alongside my cat's current medication?

Catsen is 100% natural and has no known side effects. However, if your cat is currently on prescription medication, we recommend checking with your vet first.

What makes Catsen different from other digestive supplements?

Most supplements contain a single probiotic strain at doses too low to make a difference. Catsen is the only formula with 5 billion CFU across five clinically studied strains, combined with prebiotics and hairball fiber in one sachet. That means the probiotics actually survive, multiply, and restore your cat's gut — instead of passing through without effect.

How many boxes should I order?

We recommend at least 3 boxes for lasting results. Gut restoration takes time, and consistent daily use over 3 to 6 months gives your cat the best chance at full recovery. Plus you save more when you order multiple boxes.