---
title: "Renal K for Cats — $58K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/renal-k-for-cats"
last_updated: "2026-07-21T17:14:12.102Z"
locale: en
meta:
description: "Niche score 46/100 · $58K/yr market · 15K searches/yr · $23.76 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $58K/yr market · 15K searches/yr · $23.76 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Renal K for Cats — $58K/yr Amazon US Niche (2026) - Flapen"
---
# **renal k for cats**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 14Growth 38Conversion 98Competition 0Returns 97Price range 95Avg price 95Brand share 0Review moat 74Quality gap 53
**Conversion**
**Incredible****16.5%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.6%**
return rate — above 6% kills the launch gate
**Avg price**
**Incredible****$23.76**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$18.83–$31.21**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****559.5**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+10.6%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$58K**
$58K/yr · 15K searches
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, renal k for cats is a $58K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 46/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **renal k for cats market data**
- **Units sold / yr**
- **3K–3K**
- avg 500–750/product
- **Revenue / yr**
- **$59K–$71K**
- units × avg price
- **Launch success**
- **—**
- 1 of 1 new (360d)
- **Conversion rate**
- **16.5%**
- **Avg BSR**
- **#150**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **75%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **63 months**
- **Avg seller age**
- **174 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **—flat
**Sellers**
**6**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Vetoquinol84% - Pet Health Pharma11% - Pet Health Solutions5% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 97 weeks — +10.6% search growth over the last 90 days.
400300Black Friday '24Prime Day '25Spike '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/renal-k-for-cats/trend)
## **Top renal k for cats 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%15%$9K30%$17K45%$26K60%$35K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 4 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Vetoquinol Renal K - Potassium Supplement Powder for Dogs & Cats - Supports Kidney Health & Pet Wellness - Unflavored Oral Supplement - 3.5oz**Vetoquinol**$31.21**4.6★923 rev](https://www.amazon.com/dp/B000MFRP9W) [2**Vetoquinol Renal K - Potassium Supplement for Dogs & Cats - Supports Managing Potassium Levels - Palatable Gel with Maple Flavor - 5oz**Vetoquinol**$25.31**4.5★1,120 rev](https://www.amazon.com/dp/B000FUMGXY) [3**RenaCare K is for Renal K (Potassium Gluconate) Potassium Supplement Gel for Dogs and Cats (5 oz) with Maple Flavor (Made in U.S.A)**Pet Health Pharma**$19.69**4.3★34 rev](https://www.amazon.com/dp/B0FQMVFT29) [4**K-Plus Gel for Dogs & Cats Potassium Citrate & Cranberry Supplement for Kidney Urinary Tract Health UTI Relief Stone Prevention Electrolyte Balance Muscle & Heart Function - Made in USA - 5 oz**Pet Health Solutions**$18.83**4.3★161 rev](https://www.amazon.com/dp/B0CSHS39QS)
### **Newest**
by launch date
[**RenaCare K is for Renal K (Potassium Gluconate) Potassium Supplement Gel for Dogs and Cats (5 oz) with Maple Flavor (Made in U.S.A)**Pet Health Pharma**$19.69**34 rev10mo ago](https://www.amazon.com/dp/B0FQMVFT29) [**K-Plus Gel for Dogs & Cats Potassium Citrate & Cranberry Supplement for Kidney Urinary Tract Health UTI Relief Stone Prevention Electrolyte Balance Muscle & Heart Function - Made in USA - 5 oz**Pet Health Solutions**$18.83**161 rev2y ago](https://www.amazon.com/dp/B0CSHS39QS) [**Vetoquinol Renal K - Potassium Supplement Powder for Dogs & Cats - Supports Kidney Health & Pet Wellness - Unflavored Oral Supplement - 3.5oz**Vetoquinol**$31.21**923 rev19y ago](https://www.amazon.com/dp/B000MFRP9W) [**Vetoquinol Renal K - Potassium Supplement for Dogs & Cats - Supports Managing Potassium Levels - Palatable Gel with Maple Flavor - 5oz**Vetoquinol**$25.31**1,120 rev20y ago](https://www.amazon.com/dp/B000FUMGXY)
### **Trending**
90-day click momentum
[**RenaCare K is for Renal K (Potassium Gluconate) Potassium Supplement Gel for Dogs and Cats (5 oz) with Maple Flavor (Made in U.S.A)**Pet Health Pharma**$19.69**4.3★**▲ 232%**](https://www.amazon.com/dp/B0FQMVFT29) [**Vetoquinol Renal K - Potassium Supplement Powder for Dogs & Cats - Supports Kidney Health & Pet Wellness - Unflavored Oral Supplement - 3.5oz**Vetoquinol**$31.21**4.6★**— 8%**](https://www.amazon.com/dp/B000MFRP9W) [**Vetoquinol Renal K - Potassium Supplement for Dogs & Cats - Supports Managing Potassium Levels - Palatable Gel with Maple Flavor - 5oz**Vetoquinol**$25.31**4.5★**▼ 17%**](https://www.amazon.com/dp/B000FUMGXY) [**K-Plus Gel for Dogs & Cats Potassium Citrate & Cranberry Supplement for Kidney Urinary Tract Health UTI Relief Stone Prevention Electrolyte Balance Muscle & Heart Function - Made in USA - 5 oz**Pet Health Solutions**$18.83**4.3★**▼ 42%**](https://www.amazon.com/dp/B0CSHS39QS)
## **What buyers say about renal k for cats**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Flavor**18%
*“Maple Flavor”*
**Value For Money**13%
*“Great deal”*
**Pet Friendly**10%
*“My Dog Likes It”*
**Advertised Vs Actual Product**9%
*“product is as described”*
**Quality-Overall**9%
*“Seems good quality and palatable”*
**Ease Of Use**8%
*“It seems like it is a very convenient option”*
**Taste-Overall**6%
*“My Cat says it Taste Good”*
**Ingredients-Overall**5%
*“I appreciate the added details like the safety seal”*
**Ease Of Chewing/Swallowing**4%
*“easy to eat”*
**Smell**3%
*“It has a pleasant maple syrup scent”*
### **What buyers complain about **
**Smell**17%
*“Product has odor”*
**Taste-Overall**17%
*“Picky taste need not apply”*
**Flavor**16%
*“The maple flavor is overwhelming and not enticing”*
**Ingredients-Overall**6%
*“I didnt realize salmon oil was in this”*
**Value For Money**6%
*“Price a little”*
**Thickness**3%
*“The gel itself is thick”*
**Hard Feel**3%
*“The plastic tube was very stiff”*
**Texture/Consistency-Overall**3%
*“The texture / appearance is kind of like a gel”*
**Adhesion/Stickiness**2%
*“It's kind of sticky so it was little difficult for him to get it all off the spoon”*
**Ease Of Cleaning**2%
*“I had to wash it off”*
### **Top return reasons **
**Smell**18%
**Advertised Vs Actual Product**16%
**Value For Money**14%
**Ingredients-Overall**9%
**Leak-Proof**5%
**Charging**5%
**Escape Proof**5%
**Adhesion/Stickiness**5%
**Product Condition**5%
**Size-Overall**5%
## **Common questions**
- **Is renal k for cats profitable to sell on Amazon United States?**
- The niche generates $58K/yr across 4 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +10.6%. Flapen's verdict: Skip it (46/100).
- **How competitive is the renal k for cats niche?**
- 3 brands and 6 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in renal k for cats?**
- Top complaints mined from reviews: Smell, Taste-Overall, Flavor. The return rate is 0.6%.
- **When does demand for renal k for cats peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the renal k for cats niche?**
- Listings span $18.83–$31.21; the average listing price is $23.76 (sweet spot $15–$100). The average incumbent carries 560 reviews — the moat a new listing must climb.
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