---
title: "Nattokinase 10800 Fu — $988K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/nattokinase-10800-fu"
last_updated: "2026-08-09T02:32:46.354Z"
locale: en
meta:
description: "Niche score 78/100 · $988K/yr market · 324K searches/yr · $35.45 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 78/100 · $988K/yr market · 324K searches/yr · $35.45 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Nattokinase 10800 Fu — $988K/yr Amazon US Niche (2026) - Flapen"
---
# **nattokinase 10800 fu**
**Launch it**
A $988K/yr market growing +22.0% this quarter with returns at 0.0% — clears our launch bar.
Market size 77Growth 51Conversion 81Competition 82Returns 100Price range 89Avg price 95Brand share 95Review moat 74Quality gap 58
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Brand share**
**Incredible****37%**
top-5 brand share — no brand owns this niche
**Avg price**
**Incredible****$35.45**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.16–$80.03**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Great****33%**
top-5 click share — an open shelf
**Conversion**
**Great****8.6%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Great****$988K**
$988K/yr · 324K searches
**Review moat**
**Good****553.2**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Growth**
**Good****+22.0%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, nattokinase 10800 fu is a $988K/yr Amazon United States market (324K searches/yr). The top 5 brands hold 37% of demand. Verdict: Launch it — 78/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nattokinase 10800 fu market data**
- **Units sold / yr**
- **20K–25K**
- avg 500–750/product
- **Revenue / yr**
- **$709K–$886K**
- units × avg price
- **Conversion rate**
- **8.6%**
- **Avg BSR**
- **#1,704**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **100%**
- **Out of stock**
- **5.5%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.
**Brands**
**34 **▲rising
**Sellers**
**50**
**Top-5 brand share**
**37%**
Top 20: 89%
**Top-5 click share**
**33%**
Top 20: 79%
**Open market**
**57%**
- Micro Ingredients8% - Kyndernl8% - GizmoBox7% - Naering7% - PurrVita7% - GREAT BILLIOM6%
## **Demand**
Weekly Amazon search volume, last 16 weeks — +22.0% search growth over the last 90 days.
15K10KSpike '26Apr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/health-household/nattokinase-10800-fu/trend)
## **Top nattokinase 10800 fu search terms**
- **nattokinase 10800 fu**213K/yr+61.2%7.1% conv. - **healthletic nattokinase 10800 fu**44K/yr-8.3%3.9% conv. - **healthletic nattokinase**26K/yr-50.3%1.7% conv. - **ultimate nattokinase**16K/yr-27.0%2.7% conv. - **ultimate nattokinase 10800 fu**7K/yr-19.4%7.1% conv. - **nattokinase 10800**4K/yr+4.0%6.0% conv. - **healthletic ultimate nattokinase**3K/yr+5.7%3.0% conv. - **nattokinase healthletic**2K/yr-1.9%2.5% conv. - **nattokinase 10 800 fu**3K/yr-44.0%4.8% conv. - **healthletic ultimate nattokinase 10800 fu**3K/yr-52.9%2.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/nattokinase-10800-fu/search-terms)
## **Top nattokinase 10800 fu 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%2%$20K4%$40K6%$59K8%$79K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Micro Ingredients Nattokinase 10 000 FU Per Serving (Natural Natto Extract) 240 Vegetarian Capsules | with CoQ10 Turmeric Aged Garlic & Pine Bark Extract | Non-GMO Lab Tested cGMP Manufactured**Micro Ingredients**$29.60**4.4★175 rev](https://www.amazon.com/dp/B0G2N6TFRD) [2**PurrVita Nattokinase 10800 fu Ultimate Nattokinase 10800 fu Capsules Organic Nattokinase Supplement for Daily Wellness Support Vegan Gluten-Free 60 Capsules**PurrVita**$37.71**4.6★38 rev](https://www.amazon.com/dp/B0GVDXBMLR) [3**GREAT BILLIOM Nattokinase 10800 FU with Vitamin K2 MK-7 & Serrapeptase 240 000 SPU Supplement Natto Enzyme Heart Health Supplements for Blood Flow & Circulation Support 90 Capsules**GREAT BILLIOM**$18.35**4.3★50 rev](https://www.amazon.com/dp/B0GTWGCYN3) [4**Kynderynl Nattokinase Supplement 10000FU Organic Natto Enzyme 500mg for Circulatory Wellness Enteric-Coated Tablets Aiding Digestion & Assisting Absorption Vegan 90 Tablets (90-Day Supply)**Kyndernl**$22.62**4.6★252 rev](https://www.amazon.com/dp/B0FHJSC45X) [5**Ultimate Nattokinase 10800 FU Supplement Natural Support for Circulation & Cardiovascular Health Odorless Fermented Soy Enzyme Easy Daily Routine 60 Capsules**zdiwond**$35.22**4.1★129 rev](https://www.amazon.com/dp/B0GQYWKCXX)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**THEREXA Nattokinase 10800 FU - Enzyme Activity with Ultimate Nattokinase Supplement Enteric-Coated Capsules Aiding Digestion & Assisting Absorption - 120 Capsules**THEREXA**$26.98**49 rev2mo ago](https://www.amazon.com/dp/B0GXK5LH6N) [**GREAT BILLIOM Nattokinase 10800 FU with Vitamin K2 MK-7 & Serrapeptase 240 000 SPU Supplement Natto Enzyme Heart Health Supplements for Blood Flow & Circulation Support 90 Capsules**GREAT BILLIOM**$18.35**50 rev3mo ago](https://www.amazon.com/dp/B0GTWGCYN3) [**PurrVita Nattokinase 10800 fu Ultimate Nattokinase 10800 fu Capsules Organic Nattokinase Supplement for Daily Wellness Support Vegan Gluten-Free 60 Capsules**PurrVita**$37.71**38 rev3mo ago](https://www.amazon.com/dp/B0GVDXBMLR) [**Art anime Ultimate Nattokinase Capsules Nattokinase Supplement Organic 10800 FU Per Serving Nattokinase Organic for Body Health and Daily Wellness Support Vegan Gluten Free 60 Capsules (2)**Art anime**$53.51**41 rev4mo ago](https://www.amazon.com/dp/B0GV85PGB7) [**GizmoBox Ultimate Nattokinase 10800 fu Nattokinase Supplement Healthy Circulation & Daily Wellness Support Vegan Gluten Free 60 Vegetarian Capsules Non-GMO (2)**GizmoBox**$57.46**12 rev4mo ago](https://www.amazon.com/dp/B0GV4R76SX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**THEREXA Nattokinase 10800 FU - Enzyme Activity with Ultimate Nattokinase Supplement Enteric-Coated Capsules Aiding Digestion & Assisting Absorption - 120 Capsules**THEREXA**$26.98**4.3★**▲ 88%**](https://www.amazon.com/dp/B0GXK5LH6N) [**GizmoBox Ultimate Nattokinase 10800 fu Nattokinase Supplement Healthy Circulation & Daily Wellness Support Vegan Gluten Free 60 Vegetarian Capsules Non-GMO**GizmoBox**$36.59**4.0★**▲ 88%**](https://www.amazon.com/dp/B0GV4MFHV5) [**GREAT BILLIOM Nattokinase 10800 FU with Vitamin K2 MK-7 & Serrapeptase 240 000 SPU Supplement Natto Enzyme Heart Health Supplements for Blood Flow & Circulation Support 90 Capsules**GREAT BILLIOM**$18.35**4.3★**▲ 88%**](https://www.amazon.com/dp/B0GTWGCYN3) [**PurrVita Nattokinase 10800 fu Ultimate Nattokinase 10800 fu Capsules Organic Nattokinase Supplement for Daily Wellness Support Vegan Gluten-Free 60 Capsules**PurrVita**$37.71**4.6★**▲ 84%**](https://www.amazon.com/dp/B0GVDXBMLR) [**GizmoBox Ultimate Nattokinase 10800 fu Nattokinase Supplement Healthy Circulation & Daily Wellness Support Vegan Gluten Free 60 Vegetarian Capsules Non-GMO (2)**GizmoBox**$57.46**4.4★**▲ 75%**](https://www.amazon.com/dp/B0GV4R76SX)
**~~View all trending →~~**
## **What buyers say about nattokinase 10800 fu**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“Excellent Product”*
**Heart Health**7%
*“Lowered cholesterol”*
**Value For Money**6%
*“Great deal”*
**Ease Of Chewing/Swallowing**6%
*“The product is easy to consume”*
**Vitamin**6%
*“Great vitamin”*
**Ease Of Use**5%
*“Easy to Take”*
**Side Effects**4%
*“Don't have any side effects”*
**Advertised Vs Actual Product**4%
*“AS DESCRIBED”*
**Dosage**4%
*“Useful Dosage”*
**Blood Pressure**4%
*“Great for my blood pressure”*
### **What buyers complain about **
**Dosage**8%
*“Very high dose”*
**Blood Pressure**5%
*“Seems to be working BP a little lower”*
**Value For Money**5%
*“Expensive and useless”*
**Heart Health**5%
*“This can actually cause your cholesterol to go up”*
**Advertised Vs Actual Product**4%
*“Completely misleading”*
**Side Effects**4%
*“made me very sick”*
**Ingredients-Overall**4%
*“Bad ingredients”*
**Functionality-Overall**3%
*“Not effective”*
**Taste-Overall**3%
*“tasteless to me”*
**Quality-Overall**3%
*“no guarantee of quality control”*
### **Top return reasons **
**Side Effects**25%
**Blood Pressure**17%
**Value For Money**17%
**Certifications**8%
**Leak-Proof**8%
**Thin**8%
**Fever Relief**8%
**Accuracy-Overall**4%
**Quality-Overall**4%
## **Common questions**
- **Is nattokinase 10800 fu profitable to sell on Amazon United States?**
- The niche generates $988K/yr across 44 tracked products. 24 of 28 products launched in the last 360 days are still selling. 90-day search growth is +22.0%. Flapen's verdict: Launch it (78/100).
- **How competitive is the nattokinase 10800 fu niche?**
- 34 brands and 50 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 37% of demand.
- **What do buyers complain about in nattokinase 10800 fu?**
- Top complaints mined from reviews: Dosage, Blood Pressure, Value For Money. The return rate is 0.0%.
- **What does it cost to enter the nattokinase 10800 fu niche?**
- Listings span $10.16–$80.03; the average listing price is $35.45 (sweet spot $15–$100). The average incumbent carries 553 reviews — the moat a new listing must climb.
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