Nattokinase 10000 Fu
Worth a lookShows low returns (0.0%), but soft demand (-14.9% this quarter) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$26.44avg listing price — sweet spot $15–$100
Price range
Great$14.61–$48.50cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great9.0%search→purchase rate — share of searches ending in a sale
Review moat
Good1,152avg incumbent reviews — the moat a new listing must climb
Market size
Good$326K$326K/yr · 138K searches
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Growth
Bad-14.9%90-day search growth — must beat 0% to launch
Is nattokinase 10000 fu profitable on Amazon?
According to Flapen's Amazon United States niche tracking, nattokinase 10000 fu is a $326K/yr Amazon United States market (138K searches/yr). The top 5 brands hold 76% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
nattokinase 10000 fu market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 10K–13K
- avg 250–500/product
- Revenue / yr
- $264K–$331K
- units × avg price
- Conversion rate
- 9.0%
- Avg BSR
- #638
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 1.7%
- Avg brand age
- 48 months
- Avg seller age
- 179 days
Competition: brands, sellers & click share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
14 rising
Sellers
28
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
20%
- Micro Ingredients34%
- Kyndernl23%
- Gyumolics10%
- NatureBell5%
- Double Wood Supplements4%
- MEGNETA4%
nattokinase 10000 fu demand & seasonality
Weekly Amazon search volume, last 32 weeks — -14.9% search growth over the last 90 days.Top nattokinase 10000 fu 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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$29.604.4★175 rev
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$22.624.6★252 rev
Kynderynl Nattokinase Supplement 10000FU Organic Natto Enzyme 500mg for Circulatory Wellness Enteric-Coated Tablets Aiding Digestion & Assisting Absorption Vegan 90 Tablets (90-Day Supply) -2P
Kyndernl$36.244.5★206 rev
Gyumolics Nattokinase Supplement 10000FU with Organic Nattokinase Serrapeptase Bromelain Curcumin Vitamin E & Ginseng Movement Comfort 90 Capsules
Gyumolics$20.634.6★467 rev
NatureBell Nattokinase - 240 Capsules - 8 000 FU Max Strength from Fermented Natto Extract - for Heart Health Healthy Circulation & Daily Wellness Support*
NatureBell$27.324.6★933 rev
Newest
by launch date
AIQIUSHA Nattokinase 10 000 FU with Serrapeptase Bromelain & CoQ10 Triple Enzyme Complex from Fermented Soy Extract Herbal Blend with Turmeric & Olive Leaf Enteric Softgels Non-GMO 240 Count
AIQIUSHA$19.8115 rev
JYVGNLXS Nattokinase 10 000 FU with MCT Oil 120 Enteric Coated Softgels
JYVGNLXS$16.0017 rev
HyberVive Advanced Nattokinase Supplement 10 000 FU 500mg Enhanced Potency & High Enzyme Activity Supports Healthy Blood Flow & Circulation Non GMO Made in USA 60 Vegan Capsules
HyberVive$14.7526 rev
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$48.50144 rev
LIOEUBIO Nattokinase Supplement 10 000 FU 9-in-1 Formula with Serrapeptase Bromelain CoQ10 Turmeric & White Willow Bark 240 Softgels
LIOEUBIO$23.89122 rev
Trending
90-day click momentumHyberVive Advanced Nattokinase Supplement 10 000 FU 500mg Enhanced Potency & High Enzyme Activity Supports Healthy Blood Flow & Circulation Non GMO Made in USA 60 Vegan Capsules
HyberVive$14.754.6★
JYVGNLXS Nattokinase 10 000 FU with MCT Oil 120 Enteric Coated Softgels
JYVGNLXS$16.004.5★
AIQIUSHA Nattokinase 10 000 FU with Serrapeptase Bromelain & CoQ10 Triple Enzyme Complex from Fermented Soy Extract Herbal Blend with Turmeric & Olive Leaf Enteric Softgels Non-GMO 240 Count
AIQIUSHA$19.814.5★
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$29.604.4★
LIOEUBIO Nattokinase Supplement 10 000 FU 9-in-1 Formula with Serrapeptase Bromelain CoQ10 Turmeric & White Willow Bark 240 Softgels
LIOEUBIO$23.893.8★
What reviews say buyers love and hate about nattokinase 10000 fu
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Product”
“Lowered cholesterol”
“Great deal”
“Good vitamin”
“Easy swallow, appears to be as advertised”
“effective dosage”
“AS DESCRIBED”
“Great for my blood pressure”
“it doesnt give me any side effects I really recommend this product I would been buying this product again”
“Effective”
What buyers complain about
“This is a VERY weak dose”
“Not proper ingredients listed”
“Also have noticed blood pressure is trending down”
“cholesterol is still a bit high”
“Not effective”
“Absolutely horrible intestinal pain that almost had me throwing up”
“Not as advertised”
“Waste of money”
“Questionable FU Certification”
“found it pretty horrible to eat”
Top return reasons
Common nattokinase 10000 fu questions
- Is nattokinase 10000 fu profitable to sell on Amazon United States?
- The niche generates $326K/yr across 17 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is -14.9%. Flapen's verdict: Worth a look (55/100).
- How competitive is the nattokinase 10000 fu niche?
- 14 brands and 28 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in nattokinase 10000 fu?
- Top complaints mined from reviews: Dosage, Ingredients-Overall, Blood Pressure. The return rate is 0.0%.
- What does it cost to enter the nattokinase 10000 fu niche?
- Listings span $14.61–$48.50; the average listing price is $26.44 (sweet spot $15–$100). The average incumbent carries 1,152 reviews — the moat a new listing must climb.