---
title: "Maia Nattokinase — $8K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/maia-nattokinase"
last_updated: "2026-08-12T16:27:33.494Z"
locale: en
meta:
description: "Amazon product research for maia nattokinase: $8K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for maia nattokinase: $8K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Maia Nattokinase — $8K/mo Amazon US Product Research (2026)"
---
# **Maia Nattokinase**
**Worth a look**
Shows low returns (0.0%), but a concentrated shelf (top 5 take 84% of clicks) keeps it on the watch list.
Market size 24Growth 48Conversion 80Competition 13Returns 100Price range 81Avg price 95Brand share 19Review moat 72Quality gap 58
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$31.46**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.90–$49.73**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****8.2%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****630.38**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+18.1%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$97K**
$97K/yr · 38K searches
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****84%**
top-5 click share — a locked-up shelf
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
## **Is maia nattokinase profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, maia nattokinase is a $97K/yr Amazon United States market (38K searches/yr). The top 5 brands hold 92% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **maia nattokinase market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 250–500/product
- **Revenue / yr**
- **$94K–$126K**
- units × avg price
- **Conversion rate**
- **8.2%**
- **Avg BSR**
- **#2,269**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **92%**
- **Out of stock**
- **6.2%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **192 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **
**Sellers**
**13**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**84%**
Top 20: 100%
**Open market**
**6%**
- MAÏA60% - MAÏA SUPERFOODS24% - Luma Nutrition4% - Lunakai2% - Double Wood Supplements2% - Clean Nutraceuticals2% - Open — no brand owns it (4 brands, 6%)
## **maia nattokinase demand & seasonality**
Weekly Amazon search volume, last 12 weeks — +18.1% search growth over the last 90 days.
2K1KMay '26May '26May '26Jun '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/us/health-household/maia-nattokinase/trend)
## **Top maia nattokinase search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **maia nattokinase**20K/yr-20.4%6.5% conv. - **maia nattokinase 5000 fu**7K/yr+394.3%7.6% conv. - **maia nattokinase supplement**11K/yr+2.1%7.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/maia-nattokinase/search-terms)
## **Top maia nattokinase products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$10K20%$19K30%$29K40%$39K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**MAA SUPERFOODS Maia Nattokinase | 5000 FU | Supports Arterial Cleanliness Nitric Oxide Cardiovascular Wellness | Fermented Soybean Enzyme Supplement**MAÏA SUPERFOODS**$35.03**4.3★24 rev](https://www.amazon.com/dp/B0GP25W1KY) [2**Maia Nattokinase Supplement with 5000 FU Supports Arterial Cleanliness and Heart Health Promotes Healthy Circulation Added Vitality and Wellness Plant-Based Capsules Zero Sugar 60 Capsules (2)**MAÏA**$49.05**4.4★91 rev](https://www.amazon.com/dp/B0GTK6Z749) [3**Maia Nattokinase Supplement with 5000 FU Supports Arterial Cleanliness and Heart Health Promotes Healthy Circulation Added Vitality and Wellness Plant-Based Capsules Zero Sugar 60 Capsules**MAÏA**$33.84**4.4★91 rev](https://www.amazon.com/dp/B0G1X75JHP) [4**Maia Nattokinase Supplement with 5000 FU of Nattokinase Support Healthy Circulation & Promote Cardiovascular Health Non-GMO Plant-Based Capsules 60 Veggie Capsules**MAÏA**$34.45**4.3★58 rev](https://www.amazon.com/dp/B0G4GP37RH) [5**Maia Nattokinase Supplement with 5000 FU of Nattokinase Support Healthy Circulation & Promote Cardiovascular Health Non-GMO Plant-Based Capsules 120 Capsules**MAÏA**$49.73**4.3★58 rev](https://www.amazon.com/dp/B0GJR76Q89)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Maia Nattokinase Supplement with 5000 FU Supports Arterial Cleanliness and Heart Health Promotes Healthy Circulation Added Vitality and Wellness Plant-Based Capsules Zero Sugar 60 Capsules (2)**MAÏA**$49.05**91 rev4mo ago](https://www.amazon.com/dp/B0GTK6Z749) [**MAA SUPERFOODS Maia Nattokinase | 5000 FU | Supports Arterial Cleanliness Nitric Oxide Cardiovascular Wellness | Fermented Soybean Enzyme Supplement**MAÏA SUPERFOODS**$35.03**24 rev4mo ago](https://www.amazon.com/dp/B0GP25W1KY) [**MEGNETA Nattokinase Supplement 12 000 FU with Serrapeptase 360 000 sPU Lumbrokinase 10 000 FUV & CoQ10 Multi-Enzyme Formula for Daily Circulatory Digestive & Antioxidant Wellness 100 Capsules**MEGNETA**$48.50**144 rev5mo ago](https://www.amazon.com/dp/B0FJ2BS3Q8) [**Maia Nattokinase Supplement with 5000 FU of Nattokinase Support Healthy Circulation & Promote Cardiovascular Health Non-GMO Plant-Based Capsules 120 Capsules**MAÏA**$49.73**58 rev6mo ago](https://www.amazon.com/dp/B0GJR76Q89) [**Maia Nattokinase Supplement with 5000 FU of Nattokinase Support Healthy Circulation & Promote Cardiovascular Health Non-GMO Plant-Based Capsules 60 Veggie Capsules**MAÏA**$34.45**58 rev7mo ago](https://www.amazon.com/dp/B0G4GP37RH)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Maia Nattokinase Supplement with 5000 FU Supports Arterial Cleanliness and Heart Health Promotes Healthy Circulation Added Vitality and Wellness Plant-Based Capsules Zero Sugar 60 Capsules (2)**MAÏA**$49.05**4.4★**▲ 117%**](https://www.amazon.com/dp/B0GTK6Z749) [**Maia Ceremonial Cacao with Flavanol nattokinase Theobromine Magnesium and Natural Flavonoids Blend Supports Circulation Arterial Health & Cardiovascular Wellness Zero Sugar 100% Pure and Natural**YLOTRE**$35.69**4.4★**▲ 108%**](https://www.amazon.com/dp/B0FPXFW274) [**Rolphood Nattokinase Supplement 5000FU Per Serving Gluten Free Non-GMO 60 Capsules**Rolphood**$7.90**4.1★**▲ 107%**](https://www.amazon.com/dp/B0GBH9LZ4T) [**MAA SUPERFOODS Maia Nattokinase | 5000 FU | Supports Arterial Cleanliness Nitric Oxide Cardiovascular Wellness | Fermented Soybean Enzyme Supplement**MAÏA SUPERFOODS**$35.03**4.3★**▲ 51%**](https://www.amazon.com/dp/B0GP25W1KY) [**MEGNETA Nattokinase Supplement 12 000 FU with Serrapeptase 360 000 sPU Lumbrokinase 10 000 FUV & CoQ10 Multi-Enzyme Formula for Daily Circulatory Digestive & Antioxidant Wellness 100 Capsules**MEGNETA**$48.50**4.1★**▲ 42%**](https://www.amazon.com/dp/B0FJ2BS3Q8)
**~~View all trending →~~**
## **What reviews say buyers love and hate about maia nattokinase**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“The quality feels consistent”*
**Taste-Overall**6%
*“It tastes amazing”*
**Vitamin**6%
*“it boosts the vitamins So they can absorb faster”*
**Heart Health**6%
*“Excellent support for circulation and heart health”*
**Value For Money**5%
*“Decent price”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Blood Pressure**5%
*“I have notice it has help with blood pressure”*
**Efficiency**3%
*“Effective”*
**Ease Of Chewing/Swallowing**3%
*“Easy to swallow”*
**Flavor**3%
*“The flavor is natural”*
### **What buyers complain about **
**Dosage**15%
*“not per serving like one would expect”*
**Advertised Vs Actual Product**7%
*“deceptive advertising”*
**Value For Money**5%
*“Over price”*
**Heart Health**5%
*“My cholesterol. bad”*
**Taste-Overall**4%
*“Tastes like none”*
**Blood Pressure**4%
*“Could be if you have some issue with blood flow through the heart”*
**Quality-Overall**4%
*“Poor manufacturing quality control”*
**Side Effects**4%
*“causing great pain”*
**Pain Relief-Overall**3%
*“About 2 that afternoon my ankles started tingling and burning”*
**Functionality-Overall**2%
*“Did not work for me”*
### **Top return reasons **
**Side Effects**50%
**Fever Relief**17%
**Leak-Proof**17%
**Advertised Vs Actual Product**8%
**Ingredients-Overall**8%
## **Common maia nattokinase questions**
- **Is maia nattokinase profitable to sell on Amazon United States?**
- The niche generates $97K/yr across 13 tracked products. 7 of 7 products launched in the last 360 days are still selling. 90-day search growth is +18.1%. Flapen's verdict: Worth a look (51/100).
- **How competitive is the maia nattokinase niche?**
- 10 brands and 13 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in maia nattokinase?**
- Top complaints mined from reviews: Dosage, Advertised Vs Actual Product, Value For Money. The return rate is 0.0%.
- **What does it cost to enter the maia nattokinase niche?**
- Listings span $7.90–$49.73; the average listing price is $31.46 (sweet spot $15–$100). The average incumbent carries 630 reviews — the moat a new listing must climb.
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