The number on the front
FU measures how active nattokinase is. We print the full 10,000 FU per serving right on the bottle.
Genki · 元気 · full of life
A thousand-year-old Japanese habit, in two capsules a day.
Genki Nattokinase delivers a full 10,000 FU of the enzyme found in natto, plus seven supporting ingredients, to support healthy circulation and heart health.*
SHOP NATTOKINASE
10,000 FU per servingVegetarian capsules60-day money-back guarantee
Why Genki
Simple, clearly dosed, and easy to stick with.
Rooted in tradition
Nattokinase comes from natto, a fermented soybean food that's been on Japanese breakfast tables for over a thousand years.
Try it risk-free
Take Genki every day. If it's not for you, send it back within 60 days of delivery for a refund.
Our flagship
Genki Nattokinase 10,000 FU
$29.99
$49.99
- Supports healthy circulation and heart health*
- 10,000 FU nattokinase + 7 supporting ingredients
- 60 vegetarian capsules · 30-day supply
- Buy 2, get 1 free · Subscribe & save 20%
How it works
One easy daily habit.
一
Two capsules
One serving gives you the full 10,000 FU.
二
With a meal
Take with food and a full glass of water.
三
Same time daily
Morning or evening. Consistency is what counts.
四
Never run out
One bottle is a 30-day supply. Subscribe & Save sends the next one on schedule.
The piece most routines skip
You take care of everything else. Don't forget circulation.
You train, you sleep, you eat well, and you keep up with your checkups. Circulation is easy to overlook because it works quietly in the background.
Genki adds it to your day: 10,000 FU of nattokinase with CoQ10, aged garlic and pine bark to support healthy circulation and heart health.*
SEE THE FULL FORMULA →
Pairs well with
Pill Organizer · $9.99
Seven days, seven compartments, one slim case. Load your week once and never miss a day.
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Good to know
Questions, answered
What is nattokinase?
An enzyme produced when soybeans are fermented into natto, a traditional Japanese food eaten for over a thousand years. FU is the standard measure of how active a nattokinase supplement is.
How do I take Genki?
Two capsules a day, preferably with a meal. One bottle is 60 capsules, a 30-day supply.
Can I take it with medication?
Nattokinase can interact with blood thinners, anti-platelet medication (including daily aspirin) and some other prescriptions. If you take any prescription medication, ask your doctor before starting Genki. Genki contains soy.
What's your guarantee?
Every order is covered by our 60-day money-back guarantee. Contact us within 60 days of delivery and send the bottle back for a refund. See our Refund Policy for details.
How do I manage my subscription?
Log into your account and choose Manage Subscription to skip, change or cancel, or email contact@genkisuperfoods.com.
Start today
Feel genki, every day.
10,000 FU of nattokinase in two capsules a day, to support healthy circulation.* Backed by a 60-day money-back guarantee.
SHOP GENKI*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your physician before use if you are pregnant or nursing, take prescription medication (especially anticoagulants or anti-platelet drugs), have a bleeding disorder or have upcoming surgery. Individual results vary. Full disclaimer.