Enteric-Coated / Acid-Resistant Nattokinase

Why Protected Delivery Matters

If we’re looking for enteric-coated or acid-resistant nattokinase, we’re already asking the right formulation question: what happens to the activity after we swallow the capsule?

Nattokinase is vulnerable under gastric conditions. An ordinary capsule is not designed to protect that activity through the stomach. That makes delivery part of the formulation, not an afterthought.

PB Natto uses an acid-resistant vegetarian capsule designed to remain intact through the stomach and release in the small intestine, because protecting the activity we paid for matters.

What the Research Shows About Protected Delivery

Research gives us a clear reason to care about nattokinase stomach acid exposure. Protective delivery systems have been shown to preserve nattokinase activity through simulated gastric conditions and then release it under intestinal conditions.

In Cheng’s 2026 study, a protected nattokinase delivery system retained 94.89% of its enzymatic activity after two hours of simulated gastric digestion.

So when we ask does nattokinase need enteric coating, the practical question is really whether we want that activity exposed to the stomach unprotected or carried through with a delivery system designed to protect it? We want the nattokinase protected. We don’t want to throw money away.

Protected, Verified, and Ready to Choose

If we’re comparing enteric coated vs regular nattokinase, the question becomes: why is nattokinase enteric coated? To protect it.

And does stomach acid destroy nattokinase? Yes, gastric conditions degrade nattokinase and reduce its enzymatic activity.

Do we leave the activity we paid for exposed to stomach acid, or do we protect nattokinase from stomach acid? We protect it.

PB Natto 13,500 FU | Cardiovascular & Circulatory Support
$90.00

13,500 FU PB Natto

Per Acid-Resistant Capsule

High-potency nattokinase formulated to support cardiovascular health and healthy circulation.

• Guaranteed 13,500 FU per capsule

• Acid-resistant capsule

• One capsule per serving

• 60 servings • Two-month supply • $45 per month

Who should not take this: Individuals taking anticoagulant or antiplatelet medications, those with bleeding disorders, or anyone with an increased risk of bleeding should consult a healthcare professional before use. If scheduled for surgery or an invasive procedure, discuss use with your healthcare professional beforehand.

Flexible payment options available at checkout.