Supplement / capsule ingredient
Is Nattokinase halal?
A fermented-soy enzyme from Bacillus subtilis. The fermentation is not the usual doubt — the capsule shell, magnesium stearate and glycerin are.
A fermented-soy enzyme from Bacillus subtilis. The fermentation is not the usual doubt — the capsule shell, magnesium stearate and glycerin are.
What the sources say
A fermented-soy enzyme from Bacillus subtilis. The fermentation is not the usual doubt — the capsule shell, magnesium stearate and glycerin are.
What to ask the manufacturer
A recognised halal mark or a vegan declaration can settle this instead. If you email the brand, send one specific question:
For Nattokinase in this product: which organism or animal produced it, and is it microbial, plant, or animal?
Quick facts
| Name | Nattokinase |
|---|---|
| Also on labels as | natto kinase, Bacillus subtilisin |
| Additive class | Supplement / capsule ingredient |
| Classification | Source-dependent |
| Last verified | 2026-09-16 |
Common questions
Is Nattokinase halal?
Nattokinase is classified as Source-dependent. A fermented-soy enzyme from Bacillus subtilis. The fermentation is not the usual doubt — the capsule shell, magnesium stearate and glycerin are.
Is Nattokinase halal or haram?
On the evidence cited on this page, Nattokinase is source-dependent. Doubtful until the source is known (mashbooh) Every position is attributed to a named certifier or scholarly body with a link, so you can verify it directly.
What else is Nattokinase called on ingredient labels?
It can appear as: natto kinase, Bacillus subtilisin.
Why isn't there a single yes/no answer for Nattokinase?
Because the ruling depends on information the label does not carry — the source material, the production route, or which scholarly position you follow. This page shows each named position with a link so you can check it yourself.
Where does this page's information come from?
Every position on this page is attributed to a named certifier or scholarly body with a direct link, listed under 'What the sources say'. Muttoo aggregates and cites; it does not issue rulings.
Record ingredient-nattokinase · last verified 2026-09-16 · report an error