Public claim check

Longevity Box Nattokinase 10,000FU

Capsule

£0.19 a dayabout £6 a monthchecked 24 September 2026
Longevity Box Nattokinase 10,000FU capsule supplement product photo

The claim

What Longevity Box claims

“For people looking to support circulation and cardiovascular wellness.”The principal claim, quoted verbatim.
  • “Supports Healthy Circulation: Nattokinase is most strongly associated with support for healthy blood flow and circulation, making it a strong fit for people focused on cardiovascular optimisation.”
  • “Supports Vascular Health: Its best use case sits in a broader strategy for vascular support and healthy ageing, particularly for those who want to take a more proactive approach to circulatory health.”
  • “Long-Term Cardiovascular Support: This is not a “feel it instantly” product. Its value is better framed as steady, long-term support for people looking to invest in cardiovascular and vascular health over time.”

In total we found 8 printed claims on the page and label. They group into 3 outcomes that can each be checked against human research. Each outcome gets its own answer in the report.

Headline finding

Does it deliver on heart?

HeartMixed

Mixed ingredient evidence.

The ingredient studies for this outcome are encouraging in places, but mixed or limited overall.

Some ingredients have relevant research, but those studies do not establish the benefits of the finished formula. Ingredient evidence does not automatically transfer to a complete blend.

See the evidence behind this answer in the complete report, including what was tested, the dose and preparation used, who took part, and funding information where available.

Whether that evidence applies here comes down to fit: the preparations and amounts those trials used against what is actually in this formula.

See the other claims we checked ↓

The rest of the check

Three outcomes checked. One shown here.

one square per checked outcome · locked findings open in the complete report

  • HeartFinding shown above
  • CirculationFinding in the complete report
  • Healthy ageingFinding in the complete report
Read the complete claim check

Create a free account and use your included credit to unlock this report: every claim answered separately, with study receipts, dose and form comparisons, and better-value alternatives.

Label facts

What the label itself tells us

Excellent

Disclosure, not whether it works.

1 of 1

Active doses printed. No proprietary blend.

£0.19

A day · about £6 a month.

Quick answers

Answers already on this page

How much does Longevity Box Nattokinase 10,000FU cost per day?
£0.19 a day, about £6 a month at one serving a day.
Does the label disclose all doses?
Yes. 1 of 1 active doses printed. No proprietary blend.
What does Longevity Box claim it does?
For people looking to support circulation and cardiovascular wellness.
Is this medical advice?
Not medical advice. If symptoms are affecting your life, a pharmacist or GP is the right first stop, especially alongside other medication.

Method, independence, limits

Method

Same method for every product: the seller’s claim first, then whether human research measured that outcome, then whether the ingredient, form and dose match the research. How your report works.

Independence

We take no money from supplement brands. No affiliate links, no ads. Subscriber funded, so the verdict owes nothing to anyone.

Snapshot

Frozen from the report generated on 24 September 2026. Formulations and prices change; only a fresh analysis updates it. Tell us if something looks wrong.

Limits

Not medical advice. If symptoms are affecting your life, a pharmacist or GP is the right first stop, especially alongside other medication.

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