You're getting 100,000 SPU of **Serrapeptase** per capsule — comfortably within the 40,000–120,000 SPU range used in clinical trials studying post-surgical swelling and sinus support. That said, the evidence behind serrapeptase is still limited: most studies are small and older, and a systematic review concluded the data is insufficient to fully endorse it as a supplement. Your results may vary.

The formula also includes **Protease Thera-blend** at 80,000 HUT, a protein-digesting enzyme blend that exceeds the studied range for supporting amino acid absorption. The trace amounts of calcium and magnesium are from the citrate carriers — not therapeutic doses, just part of the delivery system.

The capsule is vegetarian and designed to be taken on an empty stomach, which matters for proteolytic enzymes like serrapeptase — food in your stomach can redirect the enzyme toward digestion rather than systemic absorption.

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Enzyme Science

Serrapeptase Pro

1 Capsule · 120 servings · $0.43/serving

iHerbAmazon

Best for

Digestion

Ingredients (4)

Serrapeptase

100%

Dose

100000 SPU

Target

40000–120000 spu

Form

—

Protease Thera-blend

100%

Dose

80000 HUT

Target

30000–60000 hut

Form

—

Calcium

17.5 mg

Trace amount — not scored

Magnesium

0.1 mg

Trace amount — not scored

Other Ingredients (1)

Capsule ShellCapsule

Generic capsule shell where the label does not specify the material. Common materials are hypromellose (HPMC) for vegetarian capsules and gelatin for traditional capsules — both are GRAS-listed and safe. Fish gelatin and pullulan variants also exist.

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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