---
title: "Lysine Cat Treats — $128K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/lysine-cat-treats"
last_updated: "2026-07-22T20:54:10.532Z"
locale: en
meta:
description: "Niche score 54/100 · $128K/yr market · 48K searches/yr · $17.44 avg price. Soft demand (-17.7% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $128K/yr market · 48K searches/yr · $17.44 avg price. Soft demand (-17.7% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Lysine Cat Treats — $128K/yr Amazon US Niche (2026) - Flapen"
---
# **lysine cat treats**
**Worth a look**
Shows low returns (0.0%), but soft demand (-17.7% this quarter) keeps it on the watch list.
Market size 29Growth 16Conversion 97Competition 33Returns 100Price range 81Avg price 81Brand share 48Review moat 35Quality gap 77
**Returns**
**Incredible****0.0%**
return rate — above 6% kills the launch gate
**Conversion**
**Incredible****15.4%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$17.44**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.21–$32.60**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****2,976.6**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$128K**
$128K/yr · 48K searches
**Growth**
**Bad****-17.7%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, lysine cat treats is a $128K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Apr–Jun. Verdict: Worth a look — 54/100.
Data updated Jul 9, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **lysine cat treats market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$105K–$140K**
- units × avg price
- **Launch success**
- **80%**
- 4 of 5 new (360d)
- **Conversion rate**
- **15.4%**
- **Avg BSR**
- **#53**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **87%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **61 months**
- **Avg seller age**
- **164 days**
## **Competition & brand share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▼falling
**Sellers**
**20**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 100%
**Open market**
**18%**
- Pet Honesty35% - WEALLIN13% - VETRISCIENCE13% - Carmelie8% - Vetoquinol8% - Just Try5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -17.7% search growth over the last 90 days.
6K4KBlack Friday '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, Jun · busiest ÷ quietest = 3.9×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/lysine-cat-treats/trend)
## **Top lysine cat treats search terms**
- **lysine treats for cats**17K/yr-22.4%11.4% conv. - **lysine cat treats**12K/yr-2.5%10.9% conv. - **cat lysine treats**6K/yr-10.9%15.0% conv. - **lysine chews for cats**4K/yr-6.8%10.1% conv. - **lysine for cats treats**4K/yr-41.3%11.2% conv. - **lysine treats**3K/yr-21.0%15.7% conv. - **l lysine cat treats**3K/yr-39.1%15.4% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/lysine-cat-treats/search-terms)
## **Top lysine cat treats products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$13K20%$26K30%$39K40%$51K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Cat Immune Support Lysine Allergy Relief & Immune Health Supplement for Cats with L-Lysine Colostrum Quercetin & Omega-3 Soothes Sneezing Runny Nose & Itchy Skin Chicken (30-Day Supply)**Pet Honesty**$15.33**4.5★2,461 rev](https://www.amazon.com/dp/B0C2B7F597) [2**L-Lysine Chews for Cats 500 Chews Immune & Respiratory Support Crunchy Shell with Krill Core with Colostrum & Omega-3s for Sneezing and Runny Nose Chicken Flavor for All Ages & Breeds Cats**WEALLIN**$20.82**4.4★266 rev](https://www.amazon.com/dp/B0FWQZMCTK) [3**VetriScience Lysine Immunity Health Chews 250 mg Lysine Plus Immune Supplement for Cats and Kittens with Allergies Sneezing Runny Nose and Watery Eyes Chicken 120 Count**VETRISCIENCE**$18.51**4.1★11,871 rev](https://www.amazon.com/dp/B002ALE9RM) [4**Lysine for Cats 500ct Cat Immune Support Chews L-Lysine Supplement for Cats with Colostrum Omega-3 Soothes Sneezing Runny Nose & Upper Respiratory Support Crunchy & Creamy Chicken Krill Flavor**Carmelie**$19.66**4.3★127 rev](https://www.amazon.com/dp/B0G2XWD5HV) [5**Vetoquinol Enisyl-F Lysine Bites - L-Lysine Chews for Cats & Kittens - Daily Supplement for Immune Respiratory & Eye Health Support - Aids with Sinus Congestion Sneezing & Runny Noses - 6.4oz (180g)**Vetoquinol**$32.60**4.1★3,255 rev](https://www.amazon.com/dp/B004U4P1RY)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Lysine for Cats L-Lysine for Cats Chews & Lysine Treats 500 Chews Immune Support with L-Lysine Supplement Colostrum Quercetin & Omega-3 Respiratory Sneezing Runny Nose Eye Chicken Flavor**YOTANGO**$20.75**48 rev3mo ago](https://www.amazon.com/dp/B0GTTYCJGQ) [**Lysine for Cats 500ct Cat Immune Support Chews L-Lysine Supplement for Cats with Colostrum Omega-3 Soothes Sneezing Runny Nose & Upper Respiratory Support Crunchy & Creamy Chicken Krill Flavor**Carmelie**$19.66**127 rev3mo ago](https://www.amazon.com/dp/B0G2XWD5HV) [**MULTIBITES 330 Bites L-Lysine for Cat Chews with Vitamins and Supplements - Omega 3 Multivitamin Taurine for Cat & and Kittens Treats - Immune Respiratory Eye Health - Chicken Flavor**MULTIBITES**$13.75**53 rev6mo ago](https://www.amazon.com/dp/B0G4GC5SW8) [**L-Lysine Chews for Cats 500 Chews Immune & Respiratory Support Crunchy Shell with Krill Core with Colostrum & Omega-3s for Sneezing and Runny Nose Chicken Flavor for All Ages & Breeds Cats**WEALLIN**$20.82**266 rev8mo ago](https://www.amazon.com/dp/B0FWQZMCTK) [**Just Try 16 oz Lysine Cat Treats - Lactoferrin Lysine for Cats Kittens to Support Immune - Cat Allergy Relief - Sneezing Runny Nose Watery Eyes -Training Treats**Just Try**$17.99**127 rev10mo ago](https://www.amazon.com/dp/B0FJ293C2G)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Lysine for Cats L-Lysine for Cats Chews & Lysine Treats 500 Chews Immune Support with L-Lysine Supplement Colostrum Quercetin & Omega-3 Respiratory Sneezing Runny Nose Eye Chicken Flavor**YOTANGO**$20.75**4.6★**▲ 350%**](https://www.amazon.com/dp/B0GTTYCJGQ) [**Lysine for Cats 500ct Cat Immune Support Chews L-Lysine Supplement for Cats with Colostrum Omega-3 Soothes Sneezing Runny Nose & Upper Respiratory Support Crunchy & Creamy Chicken Krill Flavor**Carmelie**$19.66**4.3★**▲ 198%**](https://www.amazon.com/dp/B0G2XWD5HV) [**L-Lysine for Cats - 250mg per Chew 150 Soft Chicken Flavor Chews to Replace Messy Powders and Pills Turn Supplement Time Into Treats Made in USA Daily Immune Support Picky Eaters**TheFurryPack**$12.38**3.5★**▲ 153%**](https://www.amazon.com/dp/B0F9R35Z75) [**MULTIBITES 330 Bites L-Lysine for Cat Chews with Vitamins and Supplements - Omega 3 Multivitamin Taurine for Cat & and Kittens Treats - Immune Respiratory Eye Health - Chicken Flavor**MULTIBITES**$13.75**4.2★**▲ 146%**](https://www.amazon.com/dp/B0G4GC5SW8) [**L-Lysine Chews for Cats 500 Chews Immune & Respiratory Support Crunchy Shell with Krill Core with Colostrum & Omega-3s for Sneezing and Runny Nose Chicken Flavor for All Ages & Breeds Cats**WEALLIN**$20.82**4.4★**▲ 78%**](https://www.amazon.com/dp/B0FWQZMCTK)
**~~View all trending →~~**
## **What buyers say about lysine cat treats**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Pet Friendly**27%
*“My cat approved”*
**Taste-Overall**14%
*“These treats have been such a great find”*
**Quality-Overall**8%
*“they had great reviews”*
**Ease Of Chewing/Swallowing**7%
*“Great chews”*
**Flavor**6%
*“flavors my cat just loves”*
**Value For Money**5%
*“Great value”*
**Allergies**4%
*“Good for allergies”*
**Ingredients-Overall**4%
*“the ingredients seem high quality”*
**Soft Feel**3%
*“with a softer inside”*
**Smell**3%
*“free from odd odors”*
### **What buyers complain about **
**Allergies**12%
*“My cat has severe allergies”*
**Value For Money**10%
*“Dislike the price”*
**Smell**7%
*“Cats hated the smell”*
**Size-Overall**6%
*“Too big”*
**Taste-Overall**6%
*“not all cats like the taste”*
**Flavor**6%
*“my cat just doesn't seem to care for the chicken flavor”*
**Indigestion**5%
*“Exploding Diarrhea”*
**Functionality-Overall**4%
*“Doesnt work”*
**Hard Feel**3%
*“The individual pieces are hard as rock”*
**Advertised Vs Actual Product**3%
*“Misleading Labeling — Says Formulated in USA”*
### **Top return reasons **
**Ease Of Chewing/Swallowing**65%
**Flavor**10%
**Advertised Vs Actual Product**8%
**Escape Proof**2%
**Product Condition**2%
**Indigestion**2%
**Size-Overall**2%
**Defective Material/Parts**2%
**Functionality-Overall**2%
**Hard Feel**1%
## **Common questions**
- **Is lysine cat treats profitable to sell on Amazon United States?**
- The niche generates $128K/yr across 15 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -17.7%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the lysine cat treats niche?**
- 12 brands and 20 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in lysine cat treats?**
- Top complaints mined from reviews: Allergies, Value For Money, Smell. The return rate is 0.0%.
- **When does demand for lysine cat treats peak?**
- Demand peaks in Apr–Jun; the busiest month runs 3.9× the quietest.
- **What does it cost to enter the lysine cat treats niche?**
- Listings span $11.21–$32.60; the average listing price is $17.44 (sweet spot $15–$100). The average incumbent carries 2,977 reviews — the moat a new listing must climb.
## **Related niches in Pet Supplies**
- 73 [**phosphate test kit**](https://flapen.com/research/us/pet-supplies/phosphate-test-kit)$194K/yr+152.5%**Worth a look**- 73 [**flea repellent for dogs**](https://flapen.com/research/us/pet-supplies/flea-repellent-for-dogs)$1.7M/yr+136.7%**Launch it**- 73 [**kitten bottles for nursing**](https://flapen.com/research/us/pet-supplies/kitten-bottles-for-nursing)$457K/yr+166.2%**Worth a look**- 73 [**dog stake**](https://flapen.com/research/us/pet-supplies/dog-stake)$573K/yr+55.9%**Worth a look**- 73 [**bully sticks**](https://flapen.com/research/us/pet-supplies/bully-sticks)$12.4M/yr-6.9%**Worth a look**- 73 [**pet oral tartar remover spray**](https://flapen.com/research/us/pet-supplies/pet-oral-tartar-remover-spray)$100K/yr>1,000%**Worth a look**[**All Pet Supplies niches **](https://flapen.com/research/us/pet-supplies)