nosorb
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible13.6%search→purchase rate — share of searches ending in a sale
Returns
Great1.1%return rate — above 6% kills the launch gate
Avg price
Great$21.47avg listing price — sweet spot $15–$100
Price range
Great$11.64–$32.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Okay1,536.2avg incumbent reviews — the moat a new listing must climb
Market size
Okay$101K$101K/yr · 34K searches
Growth
Bad-5.4%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, nosorb is a $101K/yr Amazon United States market (34K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 45/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
nosorb market data
- Units sold / yr
- 5K–6K
- avg 1,000–1,250/product
- Revenue / yr
- $107K–$129K
- units × avg price
- Launch success
- —
- 0 of 0 new (360d)
- Conversion rate
- 13.6%
- Avg BSR
- #197
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 80%
- Out of stock
- 0.0%
- Avg brand age
- 61 months
- Avg seller age
- 146 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 flat
Sellers
16
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- KIT4CAT45%
- NOSORB21%
- MAKABAKA16%
- PawCheck14%
- Pretty Litter3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -5.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top nosorb search terms
- nosorb cat litter8K/yr
- non absorbent cat litter7K/yr
- cat urine collection kit5K/yr
- hydrophobic cat litter5K/yr
- nosorb4K/yr
- non absorbent cat litter for urine collection4K/yr
Top nosorb 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.
All 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
KIT4CAT 2lb Hydrophobic Cat Litter for Urine Sample Collection Uniquely Made with Natural Sand - Keeps Liquid Clean and On Top | CheckUp on Your Cats Wellness at Home (3 x 11oz Bags)
KIT4CAT$16.744.5★2,802 rev

6 Pack Nosorb Non Absorbent Cat Litter Urine Test Cup Catco Veterinary Products
NOSORB$31.104.3★302 rev

Creative Science Nosorb Non-Absorbent Cat Litter | 6 oz | Easily Collect Urine Samples from Cats
MAKABAKA$11.644.0★128 rev

PawCheck Cat Litter for Urine Collection - Reusable and Non-Absorbent Cat Urine Collection Home Kit Intended to Monitor Cat Health
PawCheck$14.913.9★246 rev

PrettyLitter Health Monitoring Cat Litter (Unscented Non Clumping) | Lightweight & Low Tracking Color Changing Silica Gel Crystals Advanced Odor Control 6 Lbs Pack of 1 (Up to 1 Month Supply)
Pretty Litter$32.964.5★4,203 rev
Newest
by launch date
PrettyLitter Health Monitoring Cat Litter (Unscented Non Clumping) | Lightweight & Low Tracking Color Changing Silica Gel Crystals Advanced Odor Control 6 Lbs Pack of 1 (Up to 1 Month Supply)
Pretty Litter$32.964,203 rev

Creative Science Nosorb Non-Absorbent Cat Litter | 6 oz | Easily Collect Urine Samples from Cats
MAKABAKA$11.64128 rev

PawCheck Cat Litter for Urine Collection - Reusable and Non-Absorbent Cat Urine Collection Home Kit Intended to Monitor Cat Health
PawCheck$14.91246 rev

6 Pack Nosorb Non Absorbent Cat Litter Urine Test Cup Catco Veterinary Products
NOSORB$31.10302 rev

KIT4CAT 2lb Hydrophobic Cat Litter for Urine Sample Collection Uniquely Made with Natural Sand - Keeps Liquid Clean and On Top | CheckUp on Your Cats Wellness at Home (3 x 11oz Bags)
KIT4CAT$16.742,802 rev
Trending
90-day click momentum
PrettyLitter Health Monitoring Cat Litter (Unscented Non Clumping) | Lightweight & Low Tracking Color Changing Silica Gel Crystals Advanced Odor Control 6 Lbs Pack of 1 (Up to 1 Month Supply)
Pretty Litter$32.964.5★

KIT4CAT 2lb Hydrophobic Cat Litter for Urine Sample Collection Uniquely Made with Natural Sand - Keeps Liquid Clean and On Top | CheckUp on Your Cats Wellness at Home (3 x 11oz Bags)
KIT4CAT$16.744.5★

6 Pack Nosorb Non Absorbent Cat Litter Urine Test Cup Catco Veterinary Products
NOSORB$31.104.3★

Creative Science Nosorb Non-Absorbent Cat Litter | 6 oz | Easily Collect Urine Samples from Cats
MAKABAKA$11.644.0★

PawCheck Cat Litter for Urine Collection - Reusable and Non-Absorbent Cat Urine Collection Home Kit Intended to Monitor Cat Health
PawCheck$14.913.9★
What buyers say about nosorb
What buyers praise and complain about, mined from review topics.What buyers love
“Ease of use”
“Great litter”
“Excellent product”
“No smell, no dust, absolutely perfect”
“Works as advertised”
“Good investment”
“My cat loves it”
“It holds up well”
“the sand texture worked for him”
“What surprised me most was how lightweight the litter is compared to traditional clay litter”
What buyers complain about
“It costs more”
“the smell are off-putting”
“Does not work”
“Kit4Cat needs to be better at quality control”
“It was much smaller than I expected”
“Hard to clean”
“Seller should display an accurate photo size, very misleading”
“Nothing absorbed and it was super similar to normal litter”
“After that it stopped to soaking up the urine”
“I wasted my money because this merchant doesn't put thorough directions”
Top return reasons
Common questions
- Is nosorb profitable to sell on Amazon United States?
- The niche generates $101K/yr across 5 tracked products. 90-day search growth is -5.4%. Flapen's verdict: Skip it (45/100).
- How competitive is the nosorb niche?
- 5 brands and 16 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in nosorb?
- Top complaints mined from reviews: Value For Money, Smell, Functionality-Overall. The return rate is 1.1%.
- When does demand for nosorb peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the nosorb niche?
- Listings span $11.64–$32.96; the average listing price is $21.47 (sweet spot $15–$100). The average incumbent carries 1,536 reviews — the moat a new listing must climb.