Nattovena
FailThe top 5 products take 100% of clicks, so Nattovena is a Fail.
- Flapen Score
- 41 / 100Ranks 11,806 of 14,768 Health & Household niches · −8 vs the category median of 4941
- Market size
- $88K/yr34K searches / yr
- 90-day growth
- +8.4%search demand this quarter
- Competition
- 100%top-5 click share · 2 brands · 6 sellers
Flapen Score
Nattovena against its category
The dotted line is the Health & Household average. Past it, Nattovena is stronger. Inside it, weaker.
Market
The Nattovena market on Amazon at a glance
Shoppers on Amazon United States searched for Nattovena 34K times last year and spent an estimated $88K. All 2 brands take every click. Demand peaks in Mar–Apr–May. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 9.1% of those searches ended in a purchase.
Shoppers searched for this 34K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 9.1% of those searches ended in a purchase. Searches in the last 90 days moved +8.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $88K a year.
- Searches, last 12 months
- 34K
- Growth, 90 days vs prior 90
- +8.4%
- Conversion, latest week
- 9.1%
- Market size, estimated
- $88Ka year
- Peak month
- April2.3× the quietest month
- Top search term
- nattovena nattokinase18K searches a year
02 · Price
A sale here is worth $28.26.
Listings sell for $28.26 on average, from $14.42 to $49.75. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 1,000 to 1,250 of them. At $28.26 that is $28K to $35K a year per listing.
- Average price
- $28.26inside the $15 to $100 sweet spot
- Price range
- $14.42–$49.75
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 1,000–1,250
- Revenue per listing a year
- $28K–$35K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads and reviews.
100% 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 #480 within Enzymes. It carries 1,581 reviews at 4.68 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #480in Enzymes
- Average rating
- 4.68 starsAmazon United States average 4.42 stars
- Average reviews
- 1,581per listing
- Listings tracked
- 4
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 58 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
- 58 months
Products
Top Nattovena 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
Arthur Andrew Medical Nattovena Pure Nattokinase Supplement Double Strength 4 000 FUs per Capsule 180
- Price
- $49.75
- Rating
- 4.7/5
- Reviews
- 929
- Age
- 12y ago

Arthur Andrew Medical Nattovena Pure Nattokinase Supplement Double Strength 4 000 FUs per Capsule 90
- Price
- $29.87
- Rating
- 4.7/5
- Reviews
- 929
- Age
- 11y ago

Arthur Andrew Medical - Nattovena Pure Nattokinase Circulatory and Heart Health Vegan Non-GMO 30 Capsules
- Price
- $14.42
- Rating
- 4.7/5
- Reviews
- 929
- Age
- 12y 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
Trending
estimated 90-day click momentum
Arthur Andrew Medical Nattovena Pure Nattokinase Supplement Double Strength 4 000 FUs per Capsule 90
- Price
- $29.87
- Rating
- 4.7/5
- Reviews
- 929
- Age
- 11y ago

Arthur Andrew Medical Nattovena Pure Nattokinase Supplement Double Strength 4 000 FUs per Capsule 180
- Price
- $49.75
- Rating
- 4.7/5
- Reviews
- 929
- Age
- 12y ago

Arthur Andrew Medical - Nattovena Pure Nattokinase Circulatory and Heart Health Vegan Non-GMO 30 Capsules
- Price
- $14.42
- Rating
- 4.7/5
- Reviews
- 929
- Age
- 12y 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
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

Arthur Andrew Medical Nattovena Pure Nattokinase Supplement Double Strength 4 000 FUs per Capsule 90
- Price
- $29.87
- Rating
- 4.7/5
- Reviews
- 929
- Age
- 11y ago

Arthur Andrew Medical Nattovena Pure Nattokinase Supplement Double Strength 4 000 FUs per Capsule 180
- Price
- $49.75
- Rating
- 4.7/5
- Reviews
- 929
- Age
- 12y ago

Arthur Andrew Medical - Nattovena Pure Nattokinase Circulatory and Heart Health Vegan Non-GMO 30 Capsules
- Price
- $14.42
- Rating
- 4.7/5
- Reviews
- 929
- Age
- 12y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 100% of clicks. A locked shelf that new listings rarely crack.
Brands
2 falling
Sellers
6
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
100%
Top 20: 100%
Open market
0%
- Arthur Andrew Medical96%
- Double Wood Supplements4%
- Open — no brand owns it (0%)
Demand
Nattovena search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar, Apr, May · busiest ÷ quietest = 2.3×
Reviews and returns
What reviews say buyers love and hate about Nattovena
We read the reviews and the return reasons for every product selling here.
“Missing 30% of claimed potency”
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.
16 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 Nattovena 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









