Is cellulase profitable to sell on Amazon United States?

The niche generates $148K/yr across 15 tracked products. 90-day search growth is -0.8%. Flapen's verdict: Worth a look (50/100).

How competitive is the cellulase niche?

10 brands and 34 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 89% of demand.

What do buyers complain about in cellulase?

Top complaints mined from reviews: Acid Regulator/Stomach Ache Relief, Ingredients-Overall, Regulates Digestion. The return rate is 0.0%.

What does it cost to enter the cellulase niche?

Listings span $11.42–$58.12; the average listing price is $28.92 (sweet spot $15–$100). The average incumbent carries 2,315 reviews — the moat a new listing must climb.

cellulase

Worth a look

Shows low returns (0.0%), but a concentrated shelf (top 5 take 74% of clicks) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible13.3%

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

Avg price

Incredible$28.92

avg listing price — sweet spot $15–$100

Price range

Great$11.42–$58.12

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,315.47

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$148K

$148K/yr · 38K searches

Brand share

Okay89%

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

Growth

Bad-0.8%

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

Competition

Bad74%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, cellulase is a $148K/yr Amazon United States market (38K searches/yr). The top 5 brands hold 89% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

cellulase market data

Units sold / yr: 4K–5K; avg 250–500/product
Revenue / yr: $116K–$145K; units × avg price
Conversion rate: 13.3%
Avg BSR: #493
Page quality: 0%
Prime: 100%
Sponsored: 80%
Out of stock: 0.0%
Avg brand age: 100 months
Avg seller age: 167 days

Competition & brand share

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

Brands

10 rising

Sellers

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

Enzymedica39%
NOW Foods38%
T-MILES4%
PuraDyme4%
Half ＆ Mu Fang Pond4%
Double Wood Supplements3%
Open — no brand owns it (4 brands, 8%)

Demand

Weekly Amazon search volume, last 16 weeks — -0.8% search growth over the last 90 days.

Open Trend

Top cellulase search terms

cellulase9K/yr +24.6%2.0% conv.
candidase9K/yr -14.1%11.5% conv.
plant enzymes9K/yr -16.2%12.1% conv.
now plant enzymes4K/yr +1.8%21.1% conv.
cellulase enzyme4K/yr +17.2%2.5% conv.
candidase enzymedica3K/yr +5.6%12.9% conv.

All search terms

Top cellulase 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NOW Foods Supplements Plant Enzymes with Lactase Protease Papain and Bromelain 240 Veg Capsules

NOW Foods$18.094.6★2,472 rev

Enzymedica Candidase Enzymes for Gentle Cleansing Support for Men & Women Blended for Gut & Microbiome Health with Cellulase and Protease 42 Count

Enzymedica$24.194.5★137 rev

NOW Foods Supplements Plant Enzymes with Lactase Protease Papain and Bromelain 120 Veg Capsules

NOW Foods$11.424.6★2,472 rev

Enzymedica Candidase Extra Strength - 42 Capsules

Enzymedica$32.094.4★496 rev

Enzymedica Candidase Enzymes for Gentle Cleansing Support for Men & Women Blended for Gut & Microbiome Health with Cellulase and Protease 84 Count

Enzymedica$43.104.5★774 rev

Newest

by launch date

Cellulase for Fruit/Vegetable Processing Beverage Production(100g/3.52oz)

Half ＆ Mu Fang Pond$17.701 rev

1y ago

Carlyle Plant Enzymes with Protease Papain Lactase and Bromelain

Carlyle$15.14123 rev

3y ago

Enzyme Science Candidase Pro Capsules - Enzymes for Gentle Cleansing Support for Men & Women Blended for Gut & Microbiome Health with Cellulase and Protease - 84 Caps

Enzyme Science$33.9555 rev

4y ago

T-MILES High Alkaline Cellulase REVITALENZ 2000 Cellulase Enzyme Granular Cellulase 2000 CAS NO.:9012-54-8(100g/3.53oz)

T-MILES$19.116 rev

4y ago

Digestive Enzymes - 800mg Blend of All 10 Most Essential Digestive and Pancreatic Enzymes (Amylase Lipase Bromelain Lactase Papain Protease Cellulase Maltase Invertase) by Double Wood

Double Wood Supplements$18.123,836 rev

5y ago

What buyers say about cellulase

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

What buyers love

Regulates Digestion33%

“Digestive relief”

Quality-Overall13%

“Excellent product”

Efficiency9%

“The NOW brand is more effective”

Nutritional Content7%

“Great supplement”

Acid Regulator/Stomach Ache Relief4%

“and it seems to have helped my stomach feel better overall”

Value For Money4%

“Good price”

Vitamin3%

“Definitely my go to enzyme suplement”

Ease Of Chewing/Swallowing2%

“Ease of swallowing”

Ingredients-Overall2%

“1 capsule w comprehensive ingredients”

Vegan/Organic2%

“I like this plant based product”

What buyers complain about

Acid Regulator/Stomach Ache Relief13%

“It caused my stomach to bloat and mild constipation”

Ingredients-Overall13%

“But they changed ingredients”

Regulates Digestion12%

“had significant digestive discomfort every single time”

Allergies6%

“I had an allergic response”

Functionality-Overall4%

“Didnt Work”

Dosage4%

“Perhaps a bad batch”

Pain Relief-Overall4%

“it gave me severe pain from my esophagus to my stomach”

Quality-Overall3%

“In fact, Ive noticed that all NOW products are now made with less quality”

Taste-Overall3%

“Theres no taste associated with these either”

Strength3%

“I believe its not strong enough to make a significant impact”

Top return reasons

Smell40%

Advertised Vs Actual Product20%

Functionality-Overall20%

Side Effects20%

Common questions

Is cellulase profitable to sell on Amazon United States?: The niche generates $148K/yr across 15 tracked products. 90-day search growth is -0.8%. Flapen's verdict: Worth a look (50/100).
How competitive is the cellulase niche?: 10 brands and 34 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 89% of demand.
What do buyers complain about in cellulase?: Top complaints mined from reviews: Acid Regulator/Stomach Ache Relief, Ingredients-Overall, Regulates Digestion. The return rate is 0.0%.
What does it cost to enter the cellulase niche?: Listings span $11.42–$58.12; the average listing price is $28.92 (sweet spot $15–$100). The average incumbent carries 2,315 reviews — the moat a new listing must climb.