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51

catalase

Worth a look

Shows low returns (0.0%), but soft demand (-17.9% this quarter) keeps it on the watch list.

Market size 27Growth 16Conversion 59Competition 22Returns 100Price range 95Avg price 95Brand share 35Review moat 80Quality gap 83

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$34.50

avg listing price — sweet spot $15–$100

Price range

Incredible$19.31–$51.95

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Great407.67

avg incumbent reviews — the moat a new listing must climb

Conversion

Good5.1%

search→purchase rate — share of searches ending in a sale

Brand share

Okay84%

top-5 brand share — brands hold most of the demand

Market size

Okay$111K

$111K/yr · 64K searches

Competition

Bad74%

top-5 click share — a locked-up shelf

Growth

Bad-17.9%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, catalase is a $111K/yr Amazon United States market (64K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Mar–Apr. Verdict: Worth a look — 51/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

catalase market data

Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
$104K–$138K
units × avg price
Conversion rate
5.1%
Avg BSR
#1,128
Page quality
0%
Prime
92%
Sponsored
83%
Out of stock
7.7%
Avg brand age
83 months
Avg seller age
165 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 flat

Sellers

13

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

9%

  • Script Essentials27%
  • Best Earth Naturals20%
  • DR VITAMIN SOLUTIONS18%
  • Rise-N-Shine10%
  • SOLARAY9%
  • CATALASE EXTREME6%
  • Open — no brand owns it (3 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -17.9% search growth over the last 90 days.
5K4KSpike '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr · busiest ÷ quietest = 1.9×

Top catalase search terms

  • catalase39K/yr
  • catalase supplement16K/yr
  • catalase supplement grey hair8K/yr
All search terms

Top catalase 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%$11K20%$22K30%$33K40%$45K101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 12 tracked products in this niche — three views at once, no toggling.

What buyers say about catalase

What buyers praise and complain about, mined from review topics.

What buyers love

Hair Growth15%

“Ive noticed visible improvement in hair growth”

Quality-Overall11%

“The product seems well made”

Vitamin11%

“Now it has improved thanks to these vitamins”

Ease Of Use9%

“Useful”

Ingredients-Overall8%

“Quality ingredients”

Ease Of Chewing/Swallowing6%

“while being easy to take and swallow”

Side Effects4%

“It has caused me no stomach upset or other negative side effects”

Nutritional Content3%

“My hair overall feels healthy”

Vegan/Organic3%

“Vegan friendly”

Value For Money2%

“worth the price”

What buyers complain about

Functionality-Overall8%

“Did not work”

Color6%

“it darkened to medium brown as I grew into adulthood”

Value For Money5%

“The price is a bit too high for my liking”

Dosage5%

“many of them are so low in terms of percentage of daily value”

Side Effects4%

“Noticeable effects are probably going to take time”

Hair Related3%

“This does NOT help with the color of your hair”

Size-Overall3%

“- The capsules are large”

Ingredients-Overall2%

“be mindful of ingredients”

Vitamin2%

“So I can't really give the supplement a proper go”

Nutritional Content2%

“not a replacement for healthy eating”

Common questions

Is catalase profitable to sell on Amazon United States?
The niche generates $111K/yr across 12 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -17.9%. Flapen's verdict: Worth a look (51/100).
How competitive is the catalase niche?
9 brands and 13 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in catalase?
Top complaints mined from reviews: Functionality-Overall, Color, Value For Money. The return rate is 0.0%.
When does demand for catalase peak?
Demand peaks in Mar–Apr; the busiest month runs 1.9× the quietest.
What does it cost to enter the catalase niche?
Listings span $19.31–$51.95; the average listing price is $34.50 (sweet spot $15–$100). The average incumbent carries 408 reviews — the moat a new listing must climb.