NatureBell Nattokinase Supplement 8000 FU Review
Max strength 8,000 FU Nattokinase per serving, sourced from a pure fermented Natto extract, a staple in centuries-old Japanese cuisines for trusted enzyme benefits.
Product Focus: CirculationAlso covers:Heart
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Cost per month
$4
Study, Trial or Testing Result SummaryMembersHuman studies
Review Totals and SummaryMembers3,552 reviews
3,552 reviews · Amazon 3,435 · Naturebellusa 3
Biohacker SummaryMembersWhat our biohacker panel says
RAL SummaryMembersThe tier and why
More DetailsMembersBody systems · Combine with · Possible side effects
Supplement FactsNattokinase 400 mg (8,000 FU)
Supplement Facts
Serving Size 3 Vegetarian Capsules
Servings Per Container 80
Amount Per Serving% Daily Value
| Nattokinase (Enzyme from Natto Extract) | 400 mg (8,000 FU) | † |
† Daily Value not established.
Other ingredients: Rice flour, magnesium stearate, silicon dioxide, vegetable cellulose(capsule).
Directions: 1 capsule per serving
Label source: Naturebellusa · Report a label change
Graded October 23, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.

