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Doctor's Best High Potency Serrapeptase supplement bottle
Doctor's Best

High Potency Serrapeptase Review

What We Researched
2 active ingredients analyzed · 8 inactive ingredients decoded · 1 brand certification checked · Page generated: Sep 2026
75
Product Score Fair
61
Brand Score Fair

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium (from tricalcium phosphate and calcium stearate in Serrateric™) 35 mg 3%
Serrapeptase Enzyme (from Serratia sp.) 120,000 SPU** †
Bioavailability Fair

Absorption Rating

  • Calcium (from tricalcium phosphate and calcium stearate in Serrateric™) Fair
  • Serrapeptase Enzyme (from Serratia sp.) Fair
Other Ingredients Excellent

Fillers & Additives

  • Maltodextrin
  • Tricalcium Phosphate
  • Calcium Stearate
  • Microcrystalline Cellulose
  • Medium Chain Triglyceride
  • Hypromellose
  • Gellan Gum
  • Water
Efficacy Fair

Dosage Analysis

  • Calcium (from tricalcium phosphate and calcium stearate in Serrateric™) 35 mg Under-dosed
  • Serrapeptase Enzyme (from Serratia sp.) 120,000 SPU** Effective

Supplement Facts

Ingredient Amount % Daily Value
Calcium (from tricalcium phosphate and calcium stearate in Serrateric™) 35 mg 3%
Serrapeptase Enzyme (from Serratia sp.) 120,000 SPU** †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Tricalcium Phosphate Safe

Prevents clumping and provides supplemental calcium.

Calcium Stearate Generally_safe

It is used as a lubricant to prevent ingredients from sticking to manufacturing equipment.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Medium Chain Triglyceride Unknown
Hypromellose Safe

Forms vegetarian capsule shells. Dissolves easily in the stomach.

Gellan Gum Safe

Creates gel structure in certain supplement forms.

Water Safe

Dissolves and carries water-soluble ingredients.

Brand Trust Report
Doctor's Best

Founded 1990 · Tustin, California, USA · 351 products · doctorsbest.com

Certifications

1 certification
Fda Gmp Inspections Source available Primary evidence

Transparency

2 claims
Third Party Testing Claim — Claimed Evidence available Evidence

Violation History

3 incidents
Lawsuit False advertising and mislabeling of glucosamine supplements.2022 Source available Primary source
Recall Red Yeast Rice2014-06-26 Source available Primary source
Recall Red Yeast Rice 600 mg Capsules, 120-count bottles2014-06-24 Source checked Primary source
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Frequently Asked Questions
Is Doctor's Best High Potency Serrapeptase a good supplement?

Doctor's Best High Potency Serrapeptase received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients with 90 servings per container. Of the 8 inactive ingredients, 7 are rated safe and 0 ingredients are flagged for review. The manufacturer, Doctor's Best, holds a brand trust score of 61/100.

What are the ingredients in Doctor's Best High Potency Serrapeptase?

Doctor's Best High Potency Serrapeptase contains 2 active ingredients: Calcium (from tricalcium phosphate and calcium stearate in Serrateric™) (35 mg), Serrapeptase Enzyme (from Serratia sp.) (120,000 SPU**). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Doctor's Best High Potency Serrapeptase safe to take?

GoodSupp reviewed the inactive-ingredient data available for Doctor's Best High Potency Serrapeptase. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Doctor's Best a trustworthy supplement brand?

Doctor's Best receives a brand trust score of 61/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1990 and headquartered in Tustin, California, USA, the company offers 351 products in their lineup. Note: Doctor's Best has 3 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.