Is similase digestive enzyme profitable to sell on Amazon United States?

The niche generates $109K/yr across 3 tracked products. 90-day search growth is +6.0%. Flapen's verdict: Skip it (43/100).

How competitive is the similase digestive enzyme niche?

1 brands and 3 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in similase digestive enzyme?

Top complaints mined from reviews: Functionality-Overall, Taste-Overall. The return rate is 0.0%.

When does demand for similase digestive enzyme peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the similase digestive enzyme niche?

Listings span $26.56–$48.51; the average listing price is $36.51 (sweet spot $15–$100). The average incumbent carries 910 reviews — the moat a new listing must climb.

similase digestive enzyme

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Conversion

Incredible22.8%

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

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$36.51

avg listing price — sweet spot $15–$100

Price range

Incredible$26.56–$48.51

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

Review moat

Good910.33

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+6.0%

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

Market size

Okay$109K

$109K/yr · 13K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

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, similase digestive enzyme is a $109K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 43/100.

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

similase digestive enzyme market data

Units sold / yr: 3K–3K; avg 500–750/product
Revenue / yr: $91K–$110K; units × avg price
Conversion rate: 22.8%
Avg BSR: #99
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 125 months
Avg seller age: 183 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

1 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

Integrative Therapeutics100%

Demand & seasonality

Weekly Amazon search volume, last 97 weeks — +6.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top similase digestive enzyme 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★)

All 3 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Integrative Therapeutics Similase - Vegan Digestion Support* - Comprehensive Blend of Digestive Enzymes* - Supports Digestion and Nutrient Absorption* - Dairy-Free - 180 Count (90 Servings)

Integrative Therapeutics$48.514.7★915 rev

Integrative Therapeutics Similase - Digestive Enzyme Supplement for Adults - Supports Digestion and Assimilation of Nutrients* - Dairy-Free & Vegan - 90 Count (45 Servings)

Integrative Therapeutics$26.564.7★915 rev

Integrative Therapeutics Similase GFCF - Digestive Enzyme Supplement for Adults - Supports Casein & Gluten Digestion* - Gas & Bloating Support* - Dairy-Free & Vegan - 120 Count (60 Servings)

Integrative Therapeutics$34.464.7★901 rev

Newest

by launch date

Integrative Therapeutics Similase - Vegan Digestion Support* - Comprehensive Blend of Digestive Enzymes* - Supports Digestion and Nutrient Absorption* - Dairy-Free - 180 Count (90 Servings)

Integrative Therapeutics$48.51915 rev

18y ago

Integrative Therapeutics Similase - Digestive Enzyme Supplement for Adults - Supports Digestion and Assimilation of Nutrients* - Dairy-Free & Vegan - 90 Count (45 Servings)

Integrative Therapeutics$26.56915 rev

24y ago

Integrative Therapeutics Similase GFCF - Digestive Enzyme Supplement for Adults - Supports Casein & Gluten Digestion* - Gas & Bloating Support* - Dairy-Free & Vegan - 120 Count (60 Servings)

Integrative Therapeutics$34.46901 rev

24y ago

What buyers say about similase digestive enzyme

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

What buyers love

Regulates Digestion37%

“This product works for my digestive issues”

Acid Regulator/Stomach Ache Relief28%

“good for sensitive stomach”

Ease Of Use7%

“They are easy to take”

Ease Of Chewing/Swallowing6%

“Easy to swallow”

Efficiency6%

“amazing, works so well”

Vitamin6%

“It heals and makes the stomach feel better after taking vitamins or a big meal”

Value For Money4%

“not necessarily cheaper”

Nutritional Content4%

“Definitely helps with meals”

What buyers complain about

Functionality-Overall50%

“Not working”

Taste-Overall17%

“No taste”

Common questions

Is similase digestive enzyme profitable to sell on Amazon United States?: The niche generates $109K/yr across 3 tracked products. 90-day search growth is +6.0%. Flapen's verdict: Skip it (43/100).
How competitive is the similase digestive enzyme niche?: 1 brands and 3 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in similase digestive enzyme?: Top complaints mined from reviews: Functionality-Overall, Taste-Overall. The return rate is 0.0%.
When does demand for similase digestive enzyme peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the similase digestive enzyme niche?: Listings span $26.56–$48.51; the average listing price is $36.51 (sweet spot $15–$100). The average incumbent carries 910 reviews — the moat a new listing must climb.