Nattokinase 2,000 FU Capsules UK | Standardised Fermented Enzyme | Vitality Supplements
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Fermented Enzyme Series
Vitality Supplements Nattokinase 2,000 FU — Standardised Fermented Enzyme Food Supplement — 60 Capsules from Fermented Natto
Nattokinase 200 mg Capsules | Cardiovascular & Circulatory Support | 60 Vegan Capsules - Vitality Supplements
Nattokinase 200 mg Capsules | Cardiovascular & Circulatory Support | 60 Vegan Capsules - Vitality Supplements
Fermented Enzyme Series 2,000 FU · Standardised Save up to 43%

Nattokinase

200mg · 2,000 FU Standardised Enzyme · 60 Capsules · 30 Servings · From Fermented Natto
★★★★★ 4.8 / 247 reviews
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❖Lab VerifiedCoA on request
❖
Standardised & third-party tested — every batch. FU enzyme-activity assay at an ISO/IEC 17025 accredited laboratory. CoA on request — email with batch number.
200mg
Nattokinase per serving
200mg per serving from fermented natto extract — full-dose, no fillers.
2,000FU
Standardised activity
Standardised to 2,000 FU enzyme activity per serving — the figure that actually matters.
100%
Batches tested
Every batch verified at ISO/IEC 17025 accredited laboratory before release.
🇬🇧
UK Manufactured
Made in the United Kingdom. Independently tested facility. Batch number on every pouch.
The label problem

Why milligrams alone
tell you almost nothing.

With nattokinase, what matters is enzyme activity — measured in standardised enzyme-activity units (FU). The milligram number describes how much powder is in the capsule; the FU number describes the standardised strength of that powder. Two products can both say “200mg” and differ dramatically in FU. We standardise and print both.

→  Read the guide: how to read FU vs mg on a label

✕
Milligrams only: an incomplete picture
A label that states only “200mg” with no FU figure leaves the actual enzyme activity unknown. Mass on its own does not describe strength.
◈
Standardised FU: a known, verified strength
200mg standardised to 2,000 FU per serving — the activity is fixed, assayed every batch, and printed on the pouch. You know exactly what you are taking.
Same milligrams · different activity
Typical “200mg” — FU not stated
? FU
Lower-activity 200mg product
~1,000 FU
Vitality Nattokinase 200mg
2,000 FU
“The same weight of powder can carry very different enzyme activity. Read the FU figure, not just the milligrams.”
Illustrative comparison · activity standardised per batch by FU assay
From bean to capsule

How a fermented soybean becomes
a standardised enzyme.

Nattokinase is not synthesised — it is produced by fermentation, then isolated, purified and standardised to a defined enzyme activity. Here is the journey behind every pouch.

Step
01
Fermentation
Soybeans are fermented with Bacillus subtilis var. natto — the same microorganism behind traditional Japanese natto, eaten for centuries. The enzyme nattokinase is generated during this fermentation.
Step
02
Extraction & purification
The nattokinase enzyme is separated from the fermented mass and purified. This step removes vitamin K2 (MK-7) so the finished extract delivers the enzyme itself, not whole natto.
Step
03
Standardisation to 2,000 FU
The extract is assayed and standardised so that each serving delivers a defined enzyme activity of 2,000 FU from 200mg. Standardisation is what makes one batch match the next.
Step
04
Encapsulation & batch testing
Encapsulated in the UK, then every batch is sent to an independent ISO/IEC 17025 laboratory. Identity, FU activity, purity and contaminants are verified before a single pouch ships.
★★★★★
“Finally a nattokinase that states the FU activity on the label. Proper standardised dose, and the CoA with the enzyme assay arrived the same day I asked.”
Sarah K. · Verified buyer · 2 months Verified ✓
The Science

Nattokinase supplement UK — what it actually is.

One fermented enzyme. Standardised activity. Full-dose transparency. No proprietary blends, no fillers, and honest framing on the evidence.

Quick Answer

What is nattokinase?

Nattokinase is an enzyme (a serine protease) isolated from natto, a traditional Japanese food made by fermenting soybeans with the bacterium Bacillus subtilis var. natto. It was first characterised by Dr Hiroyuki Sumi in 1987. Its strength is measured in standardised enzyme-activity units (FU), the standard assay — a more meaningful figure than milligram weight alone. Our extract is purified from fermented natto and standardised to deliver 200mg providing 2,000 FU per serving. As it is derived from soybean, this product contains soya.

→  Read the full guide: What is Nattokinase?

Standardised by enzyme-activity (FU) assay · identity and activity confirmed every batch at an ISO/IEC 17025 accredited laboratory · this is a food supplement, not a medicine.
200
mg Nattokinase per serving
Fermented enzyme — full dose
Purified from fermented natto (soybean). 200mg per serving across 2 capsules — the full dose printed on the label, with nothing hidden behind a “proprietary blend”.
2,000 FU
Standardised enzyme activity
The figure that matters
FU measure standardised enzyme activity, not just powder weight. We standardise and label 2,000 FU per serving (1,000 FU per capsule) — assayed on every batch so each pouch matches the last.
◉
Honest framing
A food supplement, not a medicine
Nattokinase is researched but regulated as a food supplement in the UK. We make no medicinal or disease claims. We compete on what we can stand behind: standardised activity, fermentation provenance and independent testing.
Lab Verified
Independent Testing Laboratory
ISO/IEC 17025 Accredited
Certificate of Analysis
Nattokinase 2,000 FU Capsules · Vitality Supplements
TestResultStatus
Nattokinase identityConfirmedPASS
Enzyme activity (FU assay)2,000 FU ✓PASS
Nattokinase content200mg ✓PASS
Heavy metalsBelow limitPASS
Microbial safetyBelow limitPASS
Released: Quality Assurance TeamRef: VS-NK-2000

Every batch tested before it reaches you

Before a single pouch ships, every batch is sent to an independent ISO/IEC 17025-accredited laboratory. Identity confirmed, potency verified, contaminants checked. If it fails any specification, it does not ship.

  • Nattokinase identity confirmed
  • Enzyme activity verified by FU assay at 2,000 FU per serving
  • Nattokinase content verified at 200mg per serving
  • Heavy metal panel (lead, cadmium, arsenic, mercury)
  • Microbial safety (total count, yeast, mould, pathogens)
  • Full certificate available on request — email with batch number
Formulation

Nattokinase 2,000 FU — full-dose breakdown.

One fermented enzyme. Standardised activity and full-dose transparency on every label. Both the milligrams and the FU.

◉
200mg
Nattokinase · 2,000 FU
from Fermented Natto · Bacillus subtilis
Standardised enzyme activity

Nattokinase — a standardised enzyme from traditional fermented natto

Nattokinase is an enzyme produced when soybeans are fermented with Bacillus subtilis var. natto — the same process behind the traditional Japanese food natto. We purify the enzyme from the fermented mass and standardise it by enzyme-activity (FU) assay, the recognised measure of nattokinase activity, so each serving delivers a defined 2,000 FU from 200mg.

This is a fermented enzyme food supplement. We make no medicinal claims — we compete on standardised activity, provenance and testing. It can be taken alongside our NMN 500mg + Resveratrol and AHCC 1000mg as part of a broader supplement routine.

  • 200mg nattokinase per serving — 100mg per capsule
  • Standardised to 2,000 FU enzyme activity — 1,000 FU per capsule
  • Purified from fermented natto (soybean) — contains soya
  • Single active ingredient — no proprietary blends, no unnecessary additions
  • Suitable for vegetarians and vegans · gluten-free · dairy-free · no artificial fillers
Supplement Facts
Serving Size: 2 Capsules  |  Servings Per Container: 30
IngredientPer Serving
Nattokinase
from Fermented Natto (Soybean)		200mg
  providing enzyme activity2,000 FU
Vegetable Cellulose Capsule
Rice Flour · Magnesium Stearate (Vegetable Source)		—
† Daily Value not established. FU = enzyme-activity units.
Contains: Soya. Free From: Gluten, GMOs, Dairy, Artificial Colours & Preservatives. Suitable for vegetarians and vegans.
Honest positioning

Is this nattokinase right for you?

We would rather be honest than make a sale. Here is who this product is for and who it is not for.

✓
This is for you if…
  • ✓You want a nattokinase whose enzyme activity is standardised and printed on the label (2,000 FU)
  • ✓You compare supplements on FU activity, not just milligrams, and value provenance
  • ✓You are building a considered supplement routine and want a transparent fermented enzyme
  • ✓You want third-party lab verification with the FU assay, not just a manufacturer’s claim
—
This is not for you if…
  • ✗You have a soya allergy — this enzyme is derived from fermented soybean and contains soya
  • ✗You take prescription medication, are due for surgery, or are pregnant or breastfeeding — speak to your doctor first
  • ✗You are under 18
  • ✗You want a product making specific health or medical claims — we don’t make any
How we compare

Not all nattokinase is equal.

The nattokinase market is full of products that print a milligram figure but never state the standardised FU enzyme activity — the number that actually describes strength.

Feature Vitality Nattokinase Typical retail brand
Dose per serving200mg Nattokinase100–200mg typical
FU activity stated✓ Standardised 2,000 FUOften omitted
Source disclosed✓ Fermented natto (soybean)Often unstated
Third-party tested✓ Every batch · ISO 17025Rarely disclosed
CoA with FU assay✓ Same day on requestUsually unavailable
UK manufactured✓ UK facilityOften overseas
How to take it

The protocol.
Simple and consistent.

Simple and consistent. Two capsules daily with water. No cycling required. If you take prescription medication, are due for surgery, or are pregnant or breastfeeding, speak to your doctor before starting.

1
Take 2 capsules daily with water
Many people take nattokinase away from food. Morning or evening — choose a time you’ll stick to. Do not exceed the stated daily dose.
2
Daily — no cycling required
Consistent daily use keeps your intake of standardised enzyme activity steady. No loading phase, no cycling.
✓
Check with your doctor if relevant
If you take blood-thinning or other prescription medication, are scheduled for surgery, or are pregnant or breastfeeding, consult a healthcare professional before use.
Stack guide — pairs well with
NMN
NMN + Trans-Resveratrol
Our cellular-energy hero product. A common foundation in a longevity routine alongside a fermented enzyme.
View NMN + Resveratrol →
AHC
AHCC 1000mg
A fermented mushroom mycelia extract from our Immunity Series — a different category to a soy-derived enzyme, frequently combined in considered routines.
View AHCC →
GHK
GHK-Cu Copper Complex
Tripeptide copper complex. EU authorised copper claims apply to the copper content. Commonly added once a foundation is established.
View GHK-Cu →
The serious approach

The 12-Pack Bundle.

What’s included
12 Pouches
Nattokinase 2,000 FU · 360-day supply
✓
12 × 60 capsules — 720 total
2 capsules per day · 360 servings · uninterrupted supply
✓
Free UK delivery on your bundle
Your full 12-pack order ships together, carriage-free
✓
Certificate of Analysis on request
Email your batch number any time — sent the same day
✓
One-time purchase — no subscription
Pay once — no recurring charges, no account needed
Price per day
1 Pack
63p/day
3 Packs
53p/day
12 Packs
47p/day
12-Pack Bundle Price
£169.99
one payment · 360-day supply
£299.99 buying singles
Save £130 · 43% off
47p per day
our lowest per-day price
One-time purchase · Free UK delivery · CoA on request
60-day money-back guarantee
The 12-pack bundle is for customers who prefer to buy once and keep uninterrupted supply at the lowest per-day price. It ships as a single order — no subscription, no recurring billing.
Customer Reviews

What our customers say.

4.8
★★★★★
247 verified reviews
5 ★
200
4 ★
32
3 ★
10
2 ★
3
1 ★
2
★★★★★
4.8 average rating 247 verified buyers
★★★★★ 12 May 2026

“Finally, the FU is on the label”

Most nattokinase products only show milligrams. This one prints the standardised 2,000 FU per serving clearly, which is exactly what I was looking for. Capsules are easy to swallow and the pouch is well made.

Kenji A. · Verified buyer · 2 monthsVerified ✓
★★★★★ 28 Apr 2026

“CoA arrived the same day”

Emailed asking for the Certificate of Analysis and had it back within hours, with the enzyme activity assay attached. That level of transparency is rare. Single ingredient, full dose, no proprietary blend nonsense.

Helen B. · Purchased 1 monthVerified ✓
★★★★★ 9 Apr 2026

“Reordering is easy”

On my third pouch — I buy the multipack so I never run out, and the per-day price drops the more you order. I take it alongside NMN from Vitality and like that everything comes from the same testing framework. Four stars only because I’d love a larger pouch option.

Mark R. · Repeat customerVerified ✓
Questions

Frequently asked questions.

What is nattokinase?

+

Nattokinase is an enzyme isolated from natto — a traditional Japanese food made by fermenting soybeans with Bacillus subtilis var. natto. It was first characterised by Dr Hiroyuki Sumi in 1987. Our capsules deliver 200mg of nattokinase per serving, standardised to 2,000 FU of enzyme activity. It is sold as a food supplement. Full guide →

What does “2,000 FU” mean, and why does it matter more than milligrams?

+

FU is the standardised enzyme-activity unit for nattokinase. Because nattokinase is an enzyme, its milligram weight alone tells you little about its activity: two products listing the same mg can differ widely in FU. We state both — 200mg delivering a standardised 2,000 FU per serving (1,000 FU per capsule) — so you know exactly what you are comparing. Full guide →

How and when should I take it?

+

As a food supplement, adults take 2 capsules daily with water, or as directed by a healthcare professional. Do not exceed the stated recommended daily dose. If you are taking prescription medication (particularly blood-thinning or anticoagulant medicines), are due to have surgery, or are pregnant or breastfeeding, consult your doctor before use. Choose a consistent time that fits your routine.

Is the enzyme activity independently verified?

+

Yes. Every batch is tested at an ISO/IEC 17025-accredited independent laboratory before release. The Certificate of Analysis confirms nattokinase identity, the 2,000 FU activity assay, content, and the absence of heavy metals and microbiological contaminants. Email us your batch number and we’ll send the CoA the same day.

How is your nattokinase made?

+

Soybeans are fermented with Bacillus subtilis var. natto, the same culture used to make traditional natto. The nattokinase enzyme is then extracted, purified, and standardised to a verified FU activity before encapsulation. Each batch is assayed so the activity on the label is the activity in the capsule.

Does it contain soya? Is it suitable for vegetarians and vegans?

+

Contains soya — nattokinase is derived from fermented soybeans, so this product is not suitable for anyone with a soya allergy. The capsule shell is vegetable cellulose, and the product is suitable for both vegetarians and vegans. It is free from gluten, GMOs, dairy, artificial colours, and preservatives.

What is your returns policy?

+

We offer a 60-day money-back guarantee, no questions asked. If you’re not satisfied for any reason, contact our customer support team within 60 days of purchase for a full refund — no return required.

Do you offer multipack savings?

+

Yes. The more packs you order, the lower the per-day price — from 63p/day on a single pack down to 47p/day on the 12-pack. Every pack is the same 60-capsule pouch (200mg, 2,000 FU). Buying a multipack simply locks in a lower price and keeps you in uninterrupted supply. There is no subscription — each order is a one-time purchase. Free UK delivery and a 60-day money-back guarantee apply to every order.

Related from Vitality Supplements
NMN 500mg + Trans-Resveratrol 600mg → AHCC 1000mg → Longevity Protocol Guide → What is NAD+? → NMN vs NR →
Get started today

Standardised enzyme activity.
Properly verified.

200mg nattokinase, standardised to 2,000 FU. Third-party tested every batch. UK manufactured. 60-day guarantee.

Free UK delivery 60-day guarantee Cancel anytime Third-party tested UK manufactured