Nattokinase
Nattokinase shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Flapen Score
Is Nattokinase profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Nattokinase is a £363K/yr Amazon United Kingdom market (219K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in May–Jun. Verdict: Worth a look — 56/100.
Nattokinase: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved +19.2% over the last 90 days and 9.0% of searches end in a purchase.
£363K
revenue / yr
Who owns the niche?
The top 5 brands hold 87% of demand, so 13% of the market is open.
13%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.
0/100
page quality · 11 products
Top Nattokinase products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Hybrid Health Nattokinase 5000FU 250mg Supplement - 180 Vegan Capsules High Strength Japanese Natto Independently Third Party Lab Tested 3 Months Supply
- Price
- £8.21
- Rating
- 4.4/5
- Reviews
- 414
- Age
- 1y ago

Nattokinase 5000 FU Capsules with Oregano & Motherwort | 3 Ingredient Formula for Arterial Support | 3rd Party Tested with Certificate of Analysis | Vegan | UK GMP Made | 30 Capsules (30)
- Price
- £27.74
- Rating
- 4.4/5
- Reviews
- 121
- Age
- 1y ago

Vinco Nattokinase 200mg 4000FU 120 Capsules High Strength Japanese Natto Enzyme Supports Heart Health Blood Flow Circulation and Blood Pressure Non-GMO Gluten Free Made in UK
- Price
- £7.99
- Rating
- 4.4/5
- Reviews
- 505
- Age
- 1y ago

Nattokinase 2 000 FU per Capsule - High-Strength 240 Nattokinase Capsules from Fermented Natto Soybeans - 8 Months Supply - Non-GMO Natural & Vegan- Laboratory Tested - Raibu
- Price
- £16.01
- Rating
- 4.4/5
- Reviews
- 2,235
- Age
- 2y ago

Nattokinase 10 000 FU per 3 Capsules - High-Strength 240 Nattokinase Capsules from Fermented Natto Soybeans with CoQ10 Turmeric Aged Garlic & Pine Bark Extract - 80-Day Supply
- Price
- £22.97
- Rating
- 4.7/5
- Reviews
- 5
- Age
- 3mo ago
Trending
90-day click momentum
Nattokinase 5000 FU Capsules with Oregano & Motherwort | 3 Ingredient Formula for Arterial Support | 3rd Party Tested with Certificate of Analysis | Vegan | UK GMP Made | 90 Capsules (90)
- Price
- £55.46
- Rating
- 4.4/5
- Reviews
- 121
- Age
- 7mo ago

Nattokinase 10 000 FU per 3 Capsules - High-Strength 240 Nattokinase Capsules from Fermented Natto Soybeans with CoQ10 Turmeric Aged Garlic & Pine Bark Extract - 80-Day Supply
- Price
- £22.97
- Rating
- 4.7/5
- Reviews
- 5
- Age
- 3mo ago

Vitabay Nattokinase 2 000 FU High Strength 180 Vegan Softgel Capsules Liposomal Nattokinase from Fermented Soy No Vitamin K2 No Additives & Lab Tested 6 Month Supply
- Price
- £15.87
- Rating
- 4.6/5
- Reviews
- 175
- Age
- 2y ago

Nattokinase 60 Capsules | 500 MG 6000 FU Per Capsule | 100% Natural Vegan | Protein Enzyme from Japanese Natto | New & Improved Formula | NEO NUTRITION
- Price
- £8.14
- Rating
- 4.3/5
- Reviews
- 12
- Age
- 11mo ago

Hybrid Health Nattokinase 5000FU 250mg Supplement - 180 Vegan Capsules High Strength Japanese Natto Independently Third Party Lab Tested 3 Months Supply
- Price
- £8.21
- Rating
- 4.4/5
- Reviews
- 414
- Age
- 1y ago
Newest
by launch date
Nattokinase 10 000 FU per 3 Capsules - High-Strength 240 Nattokinase Capsules from Fermented Natto Soybeans with CoQ10 Turmeric Aged Garlic & Pine Bark Extract - 80-Day Supply
- Price
- £22.97
- Rating
- 4.7/5
- Reviews
- 5
- Age
- 3mo ago

Nattokinase 5000 FU Capsules with Oregano & Motherwort | 3 Ingredient Formula for Arterial Support | 3rd Party Tested with Certificate of Analysis | Vegan | UK GMP Made | 90 Capsules (90)
- Price
- £55.46
- Rating
- 4.4/5
- Reviews
- 121
- Age
- 7mo ago

Nattokinase 60 Capsules | 500 MG 6000 FU Per Capsule | 100% Natural Vegan | Protein Enzyme from Japanese Natto | New & Improved Formula | NEO NUTRITION
- Price
- £8.14
- Rating
- 4.3/5
- Reviews
- 12
- Age
- 11mo ago

Nattokinase 5000 FU Capsules with Oregano & Motherwort | 3 Ingredient Formula for Arterial Support | 3rd Party Tested with Certificate of Analysis | Vegan | UK GMP Made | 30 Capsules (30)
- Price
- £27.74
- Rating
- 4.4/5
- Reviews
- 121
- Age
- 1y ago

Vinco Nattokinase 200mg 4000FU 120 Capsules High Strength Japanese Natto Enzyme Supports Heart Health Blood Flow Circulation and Blood Pressure Non-GMO Gluten Free Made in UK
- Price
- £7.99
- Rating
- 4.4/5
- Reviews
- 505
- Age
- 1y ago
Competition: brands, sellers & click share
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.
Brands
10 falling
Sellers
10
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
83%
Top 20: 100%
Open market
10%
- Hybrid Health36%
- Natural Foundation22%
- Vinco Supplements15%
- RAIBU11%
- AuranC-H3%
- ECO-VITS3%
- Open — no brand owns it (4 brands, 10%)
Nattokinase demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: May, Jun · busiest ÷ quietest = 2.1×
Top Nattokinase search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- nattokinase150K/yr
- nattokinase organic uk32K/yr
- nattokinase high strength14K/yr
- nattokinase enzyme nutritional supplements15K/yr
- nattokinase 10000 fu4K/yr
- nattokinase uk4K/yr
What reviews say buyers love and hate about Nattokinase
What buyers mention most, as a share of all reviews.
What buyers love
79% of reviews“Seem good quality and the delivery was fast and efficient”
“Brilliant for blood pressure”
“Good price”
“Product as advertised”
“Noticing some positive effects 3 months in”
What buyers complain about
70% of reviews“Under dosed”
“Very expensive”
“Do not stop taken blood pressure tablets”
“It's deeply deceptive”
“Dont seem to make any difference”
Common Nattokinase questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









