Nattokinase 100mg
FailThe top 5 brands take 97% of clicks, so Nattokinase 100mg is a Fail.
- Flapen Score
- 46 / 100Ranks 9,041 of 14,768 Health & Household niches · −3 vs the category median of 4946
- Market size
- $210K/yr70K searches / yr
- 90-day growth
- +9.8%search demand this quarter
- Competition
- 90%top-5 click share · 6 brands · 28 sellers
Flapen Score
Nattokinase 100mg against its category
The dotted line is the Health & Household average. Past it, Nattokinase 100mg is stronger. Inside it, weaker.
Market
The Nattokinase 100mg market on Amazon at a glance
Shoppers on Amazon United States searched for Nattokinase 100mg 70K times last year and spent an estimated $210K. The top 5 brands take 97% of clicks. Flapen scores it 46 out of 100, a Fail.
01 · Demand
An estimated 14.4% of those searches ended in a purchase.
Shoppers searched for this 70K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 14.4% of those searches ended in a purchase. Searches in the last 90 days moved +9.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $210K a year.
- Searches, last 12 months
- 70K
- Growth, 90 days vs prior 90
- +9.8%
- Conversion, latest week
- 14.4%
- Market size, estimated
- $210Ka year
- Peak month
- March2.2× the quietest month
- Top search term
- nattokinase 2000 fu39K searches a year
02 · Price
A sale here is worth $20.85.
Listings sell for $20.85 on average, from $12.49 to $31.81. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 1,000 to 1,250 of them. At $20.85 that is $21K to $26K a year per listing.
- Average price
- $20.85inside the $15 to $100 sweet spot
- Price range
- $12.49–$31.81
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $21K–$26K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #639 within Enzymes. It carries 3,651 reviews at 4.61 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 88%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #639in Enzymes
- Average rating
- 4.61 starsAmazon United States average 4.42 stars
- Average reviews
- 3,651per listing
- Listings tracked
- 8
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 56 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 56 months
Products
Top Nattokinase 100mg products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 26, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Doctors Best Nattokinase Non-GMO Vegan Gluten Free 270 Veggie Caps
- Price
- $31.81
- Rating
- 4.6/5
- Reviews
- 8,981
- Age
- 15y ago

Doctors Best Nattokinase 2000 FU Supplement for Men & Women - Supports Blood Flow Heart Health & Healthy Circulation Nattokinase Enzyme Sourced from Japanese Natto Capsule Form - 90 Veg Caps
- Price
- $12.49
- Rating
- 4.6/5
- Reviews
- 8,981
- Age
- 24y ago

Nutricost Nattokinase 2 000FU 120 Capsules - Gluten Free Non-GMO Vegetarian Friendly
- Price
- $14.61
- Rating
- 4.7/5
- Reviews
- 2,590
- Age
- 4y ago

Zenavea - Nattokinase Supplement - 2000 FU of Enzyme - 270 Capsules of Nattokinase 100mg - Gluten Free Non-GMO Vegan
- Price
- $29.15
- Rating
- 4.5/5
- Reviews
- 1,380
- Age
- 4y ago

Doctors Best Natto Serra for Men & Women - Nattokinase and Serrapeptase Enzyme Supplement Caps for Circulatory & Immune Health Support Optimal Digestive Absorption Non GMO Vegan - 90 Veg Capsules
- Price
- $23.92
- Rating
- 4.6/5
- Reviews
- 1,965
- Age
- 13y ago
Trending
estimated 90-day click momentum
Doctors Best Nattokinase Non-GMO Vegan Gluten Free 270 Veggie Caps
- Price
- $31.81
- Rating
- 4.6/5
- Reviews
- 8,981
- Age
- 15y ago

Doctors Best Natto Serra for Men & Women - Nattokinase and Serrapeptase Enzyme Supplement Caps for Circulatory & Immune Health Support Optimal Digestive Absorption Non GMO Vegan - 90 Veg Capsules
- Price
- $23.92
- Rating
- 4.6/5
- Reviews
- 1,965
- Age
- 13y ago

Zenavea - Nattokinase Supplement - 2000 FU of Enzyme - 270 Capsules of Nattokinase 100mg - Gluten Free Non-GMO Vegan
- Price
- $29.15
- Rating
- 4.5/5
- Reviews
- 1,380
- Age
- 4y ago

Nutricost Nattokinase 2 000FU 120 Capsules - Gluten Free Non-GMO Vegetarian Friendly
- Price
- $14.61
- Rating
- 4.7/5
- Reviews
- 2,590
- Age
- 4y ago

Nattokinase Supplement 4 000 FU Servings 120 Capsules (Derived from Japanese Natto) Systemic Enzymes for Cardiovascular and Circulatory Support by Double Wood
- Price
- $18.99
- Rating
- 4.6/5
- Reviews
- 3,538
- Age
- 4y ago
Newest
by launch date
BulkSupplements.com Nattokinase 2000 FU Capsules - Sourced from Natto Extract Nattokinase Supplement Nattokinase 100mg - Gluten Free 1 Capsule per Serving 180 Capsules (Pack of 1)
- Price
- $19.51
- Rating
- 4.6/5
- Reviews
- 184
- Age
- 2y ago

Nattokinase Supplement 4 000 FU Servings 120 Capsules (Derived from Japanese Natto) Systemic Enzymes for Cardiovascular and Circulatory Support by Double Wood
- Price
- $18.99
- Rating
- 4.6/5
- Reviews
- 3,538
- Age
- 4y ago

Nutricost Nattokinase 2 000FU 120 Capsules - Gluten Free Non-GMO Vegetarian Friendly
- Price
- $14.61
- Rating
- 4.7/5
- Reviews
- 2,590
- Age
- 4y ago

Zenavea - Nattokinase Supplement - 2000 FU of Enzyme - 270 Capsules of Nattokinase 100mg - Gluten Free Non-GMO Vegan
- Price
- $29.15
- Rating
- 4.5/5
- Reviews
- 1,380
- Age
- 4y ago

Doctors Best Natto Serra for Men & Women - Nattokinase and Serrapeptase Enzyme Supplement Caps for Circulatory & Immune Health Support Optimal Digestive Absorption Non GMO Vegan - 90 Veg Capsules
- Price
- $23.92
- Rating
- 4.6/5
- Reviews
- 1,965
- Age
- 13y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 90% of clicks. A locked shelf that new listings rarely crack.
Brands
6 falling
Sellers
28
Est. top-5 brand share
97%
Top 20: 100%
Est. top-5 click share
90%
Top 20: 100%
Open market
0%
- Doctor's BEST67%
- Nutricost13%
- Zenavea10%
- NOW Foods4%
- Double Wood Supplements3%
- BulkSupplements3%
Demand
Nattokinase 100mg search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 2.2×
Search terms
Top Nattokinase 100mg search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- nattokinase 2000 fu39K/yr
- doctors best nattokinase14K/yr
- nattokinase doctors best3K/yr
- doctors best nattokinase 2000 fu4K/yr
- dr best nattokinase3K/yr
- nattokinase 100mg4K/yr
- drs best nattokinase2K/yr
Reviews and returns
What reviews say buyers love and hate about Nattokinase 100mg
We read the reviews and the return reasons for every product selling here.
“Doses far too low to do anything”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Nattokinase 100mg questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









