Directions for Use
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🐱
The 21-Day Gut Cleanse Protocol
Add to wet food daily — fish-flavored, cats love it
| Cat Size | Weight | Daily Dose | Drops |
|---|---|---|---|
| 🐾 Small | Under 8 lbs | 0.25 ml | ~5 |
| 🐾 Medium | 8–15 lbs | 0.50 ml | ~10 |
| 🐾 Large | 15+ lbs | 0.75 ml | ~15 |
How to administer
Wet food: Add drops to pâté. Most cats won't notice.
Water: Mix into a small amount of water or low-sodium broth.
Direct: Apply 1–2 drops to corner of mouth if needed.
Maintenance: After Day 21, repeat 2–4× per year.
⏱ First changes: 7–14 days. Full gut repair: 21 days. Coat improvements: week 3–4.
Ingredients
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7 Cat-Safe Ingredients + Dual Probiotic
Every ingredient specifically chosen for feline liver metabolism — no wormwood, no black walnut, no clove.
🎃
Pumpkin Seed Powder100 mgPhase 1
Cucurbitacin paralyzes parasites and supports natural expulsion. Most-studied cat-safe antiparasitic herb.
✓ Traditional feline use
🍇
Oregon Grape Root Extract40 mgPhase 1
Berberine — clinically active against Giardia. At this low dose, safe for feline liver metabolism.
✓ Low-dose, cat-safe
🌿
Slippery Elm Bark75 mgPhase 2
Mucilage soothes inflamed gut lining. Widely used in feline IBD management.
✓ Fully safe — used in feline IBD
🌼
Marshmallow Root50 mgOngoing
Demulcent that soothes the GI tract and supports comfortable digestion throughout the cleanse.
✓ Cat-safe
🦠
Saccharomyces boulardii1B CFUFast Acting
Yeast probiotic preventing die-off discomfort in week 1. No liver burden.
✓ No contraindications
🧬
Bacillus subtilis1B CFUPhase 2
Spore-forming probiotic that rebuilds microbiome diversity. Heat-stable, shelf-stable.
✓ Spore-forming — heat-stable
🔬
L-Glutamine50 mgPhase 2
Essential amino acid for gut epithelial cell repair. Closes the leaky gut parasites create.
✓ Essential amino acid — fully safe
Other Ingredients
Distilled water, vegetable glycerin (carrier), natural fish flavoring, citric acid (preservative).
⚠ Consult your vet if your cat is on long-term prescription medication.
What to Expect
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1
Week 1
First signs of change
Stools firm up. Scooting reduces. Calmer nighttime behavior.
2
Week 2
Visible improvement
Grooming eases. Litter box accidents resolve. Sleep deepens.
3
Week 3
Full gut reset
Behavior stabilizes. Coat quality visibly improves. Symptoms that returned on every previous treatment stay gone.
4
Ongoing — Phase 2
Daily maintenance
Reduced dose 3–4×/week keeps the microbiome balanced.
5
Every 3 Months
Seasonal reset
7 days at full dose clears any new parasite load.
Subscribe & Save 15%
Fresh bottle automatically every 30 days. Cancel anytime.
90-Day Money-Back Guarantee
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The FelisLabs Promise
90-Day Money-Back Guarantee
If your cat doesn't show meaningful improvement within the full protocol, we'll refund you in full — even if the bottle is empty.
Our ingredients, manufacturing, and customer care will always meet the highest standards your cat deserves.
Email help@tryfelislabs.com and we'll process your full refund immediately.
🏭GMP Certified
🔬Lab Tested
🌿100% Natural
🐱Cat-Safe
LOVED BY THOUSANDS..
Dorothy Ann ✓2h ago · 🌐
I honestly thought this was unnecessary because my vet said my cat's symptoms were "just allergies." But after learning that parasites can cause chronic gut inflammation — and that most vets don't even test for them — I decided to try FelisLabs. Within three weeks, my 7-year-old tabby had stopped vomiting and was sleeping through the night.
👍❤️😮48
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Edwin Williamson ✓1d ago · 🌐
I hesitated for weeks because I'd never heard of giving my cat herbs I didn't recognize. My holistic vet explained that the probiotic rebuilds what chemical dewormers destroy. FelisLabs even includes clear dosing instructions and a dropper. Now it's part of my daily routine, and I finally feel at peace knowing she's protected.
👍❤️🙌73
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Mavis Irene ✓3d ago · 🌐
I was convinced parasites were something that only happened to outdoor cats. My integrative vet explained that 85% of cat parks test positive for parasites — and that most adult cats carry subclinical loads no fecal test will catch. I started FelisLabs and the peace of mind alone has been worth it.
❤️😢👏124
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The Hidden Parasite Load Robbing Your Cat of Their Health
Most cat owners are shocked to learn their cat probably has parasites right now — not the visible worms kind, but the subclinical kind. Low-grade infections that don't show on standard fecal tests but quietly damage the gut, nervous system, and immune system every day.
Fecal tests miss up to 50% of Giardia cases. 30–50% of subclinically infected cats test negative — and most vets aren't taught to look beyond the test.
Here's what parasites actually cause in cats:
- Chronic vomiting — dismissed as "sensitive stomach"
- Obsessive grooming and bald patches — blamed on allergies
- Nighttime restlessness and 3AM yowling — written off as anxiety
- Litter box accidents — dismissed as behavioral
- Skin and coat problems — medicated with Apoquel when it's gut inflammation
- Weight loss despite eating normally — blamed on aging when parasites steal nutrients
Every one gets diagnosed as something else. Every one gets a prescription that suppresses the symptom without fixing the cause.
Medications Suppress. FelisLabs Rebuilds.
Your cat's gut is the foundation of their entire immune system — and 90% of their serotonin is made there. When compromised, everything downstream breaks.
Apoquel and Atopica suppress the immune response. They don't fix the gut.
Chemical dewormers kill adult worms. They don't rebuild the environment that let parasites colonize in the first place.
FelisLabs gives your cat's gut the tools to actually repair itself — 7 clinically studied cat-safe ingredients plus dual probiotics, in liquid form for direct absorption.
- Supports natural parasite expulsion at every life stage
- Rebuilds gut microbiome with dual veterinary-grade probiotics
- 98% liquid absorption vs. 20% for chews and powders
- 100% cat-safe — no toxic herbs, no chemical residue
Start the 21-Day Cleanse →
Free shipping on orders $35+ · Subscribe & save 15%
Why FelisLabs drops are different
Most natural dewormers don't fix the root cause.
Feature
FelisLabs
Other Brands
Cat-safe (no wormwood, no black walnut)
✅
✗
Rebuilds gut after parasite damage
✅
✗
Dual probiotic blend included
✅
✗
Liquid format — 98% absorption
✅
✗
Fish-flavored — cats actually accept it
✅
✗
3rd-party lab tested
✅
⚠
Made in GMP-certified facility
✅
⚠
90-day money-back guarantee
✅
✗
Start the Protocol →
What to Expect With the FelisLabs Protocol
A complete three-phase approach. The way parasite defense is handled in the rest of the developed world.
1
Week 1
First signs of change
Stools firm up. Scooting reduces. Calmer nighttime behavior. Some cats pass visible debris — this is the protocol working, not a problem.
2
Week 2
Visible improvement
Grooming eases. Litter box accidents resolve. Sleep deepens.
3
Week 3
Full gut reset
Behavior stabilizes. Coat visibly improves. Symptoms that returned on every previous treatment stay gone.
4
Ongoing — Phase 2
Daily maintenance
Reduced dose 3–4×/week keeps the microbiome balanced.
5
Every 3 Months
Seasonal reset
7 days at full dose clears any new parasite load before it establishes.
Reviews That Made Us Smile
★★★★★
Mary R.
"She used to scoot across the carpet daily. Her coat was dull and patchy. Now her gut is healed — she even sleeps through the night for the first time in two years."
★★★★★
Sarah M.
"The skin infections never stopped. Every few weeks — more Apoquel, more antibiotics. Two months on FelisLabs, I realized she'd stopped scratching. That was four months ago. Still calm."
★★★★★
Rebecca H.
"Bella's only 4, but she'd been on Apoquel since she was a kitten. Now — no more head shaking, no more chewing her coat, and I can finally rub her belly without her flinching."
VETERINARIANS WHO RECOMMEND FELISLABS
Dr. Claire Donovan, DVM
Feline Medicine Specialist, 17 years integrative practice
This changed how I treat chronic symptoms
"After 17 years in feline medicine, this is the only formula I've seen that's safe for cats' unique liver metabolism AND actually rebuilds the gut damage parasites leave behind. I recommend it to every chronic-symptom cat owner I see."
Dr. Marcus Chen, DVM
Small Animal Practice, Integrative Medicine
The results surprised me
"I was skeptical. But the science on gut inflammation and subclinical parasite loads is solid. Skin improvements were visible within weeks in my toughest cases — cats on maximum Apoquel still scratching. The coat came back."
Start the Protocol Today →
⚠ Warning: Counterfeit Products on Amazon & eBay
FelisLabs is sold exclusively at tryfelislabs.com. We do NOT sell on Amazon, Walmart, Chewy, or eBay. If you see "FelisLabs" listed on any third-party marketplace, it is a counterfeit product.
Counterfeit cat supplements have been found to contain undeclared ingredients, including herbs that are toxic to cats. Cats' livers cannot process what you don't know is in the bottle. Always order direct.
PS: FelisLabs is ONLY available here — don't buy fakes on Amazon/eBay.
Frequently Asked Questions
How does this actually work?+
FelisLabs uses 7 clinically studied cat-safe ingredients to target subclinical parasites and rebuild the gut environment they damaged. The liquid format means active compounds reach the gut lining directly, not broken down by stomach acid first. L-Glutamine fuels the gut cell repair the whole process depends on.
How is this different from Apoquel or Atopica?+
Apoquel and Atopica suppress your cat's immune response — they mask the downstream symptom. FelisLabs addresses the gut inflammation and parasite load driving the symptoms. Many customers reduce or discontinue long-term medications after the protocol, always under vet guidance.
Why liquid drops instead of chews or pills?+
Chews and powders have to be digested before active compounds reach the intestinal lining — where parasites live. Most herbs get broken down by stomach acid first. Liquid drops go to work on contact. Absorption rate is up to 98% compared to 20–30% for chews and powders.
How long until I see results?+
Most owners notice changes within 7–14 days — firmer stools, less scooting, calmer nights. Grooming and litter box issues typically resolve by week 2. The full 21-day cleanse produces the most dramatic transformation. Individual results vary.
Is it safe for my cat?+
Yes. All 7 ingredients are natural herbs and dual veterinary-grade probiotics, manufactured in a GMP-certified facility and third-party lab tested. We excluded wormwood, black walnut, clove, and oregano oil — cats cannot safely metabolize these, yet they appear in most competitor products.
Can I use this with my cat's current medications?+
Most owners use FelisLabs alongside existing medications without issue. However, because this protocol addresses the gut environment, some cats may naturally need less of their current prescriptions over time. Always coordinate with your vet before adjusting or stopping any prescribed medications.
How much do I give?+
Small cats (under 8 lbs): 0.25ml (~5 drops) daily. Medium cats (8–15 lbs): 0.5ml (~10 drops) daily. Large cats (15+ lbs): 0.75ml (~15 drops) daily. Add directly to wet food once per day.
What if it doesn't work for my cat?+
Every bottle is backed by our 90-day money-back guarantee. If your cat doesn't show meaningful improvement within the full protocol, email help@tryfelislabs.com. We'll refund your order in full — even if the bottle is empty.
Why haven't I heard of this before?+
The veterinary pharmaceutical industry doesn't fund education on subclinical parasite loads in adult cats. The standard fecal test misses 30–50% of infected cats. Most of Europe and Asia run ongoing parasite defense protocols seasonally. Only North America treats deworming as a one-time event for kittens.
Customer Reviews
4.6
★★★★★
Based on 2,341 reviews
Write a review
Most Recent ▾
★★★★★05/28/2026
A
Amandabeen giving this to my cat for about 3 weeks now and the vomiting has completely stopped. was spending so much on vet visits thinking it was IBD. wish id known about this sooner
★★★★★05/24/2026
T
Tylermy cat was on apoquel for almost 2 years for licking herself raw. started this cleanse and 6 weeks in ive cut her apoquel dose in HALF and her skin is completely healed. still kinda in shock honestly
★★★★★05/19/2026
L
Lisaeasy to use just put it in her wet food she doesnt even notice. fish flavor i guess she likes it. few days in already see a difference. my vet asked about it and said the ingredients looked fine
★★★★☆05/14/2026
M
Marcusgood product, honest review. my maine coon so i use the larger dose. noticed he's calmer at night which i wasnt expecting. minus one star because shipping took a week but the stuff works
★★★★★05/09/2026
R
Rebeccaok i was skeptical because ive literally tried every natural thing for my cat's skin issues. 3 bottles into this and her coat looks like when she was a kitten. my vet said she'd look into it. thats a first
★★★★★05/04/2026
D
Daniellemy rescue finally sleeping through the night. she used to wake up at 2am every night pacing and yowling. didnt connect it to gut related until i read the article. whatever this is doing its working
★★★★★04/28/2026
J
Joebought 3 bottles for the full protocol. my cat's skin issues used to cost me $200/month at the vet and now im spending $30 on this. do the math
★★★★★04/22/2026
K
Kimstarted this for my senior cat's itching. it did help. but also she's more energetic now — actually playing with toys again at 12 years old. didnt expect that
★★★★★04/16/2026
S
Stephaniemy tabby had chronic ear infections since she was a kitten and i was at the vet every 6 weeks. 2 months on this and i havent been back once. her ears look totally normal now
★★★★★04/10/2026
P
Patrickmy cat is 13 and i thought her restlessness was just aging. 4 weeks in and she's sleeping deeper, eating with more interest. i should have tried this 2 years ago