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Dietary Supplements

USP Method Testing for Dietary Supplements

Identity, potency, and purity testing using USP methods for vitamins, minerals, botanicals, and nutraceuticals.

USP Methods cGMP Compliant Identity + Potency Purity Screening

Program Highlights

  • Identity and potency verification to USP methods
  • Heavy metals and microbial screening
  • Botanical authentication and marker analysis
  • CoA support for release testing
USP Method-aligned testing
21 CFR Part 111 cGMP support
Fast Turnaround options available

Standards & Certifications

GLP cGMP 21 CFR Part 11 OPPTS 830 USP-NF OECD CIPAC ISO 17025

Dietary Supplement Testing Services

Validated identity, potency, and purity testing for supplement products.

Identity Testing

  • USP identity methods (HPLC, FTIR, UV)
  • Raw material identity verification
  • Botanical identification and authentication
  • 21 CFR 111 compliance testing
  • Certificate of Analysis verification

Potency & Assay

  • Active ingredient quantification
  • Vitamin and mineral assay
  • Marker compound analysis for botanicals
  • Label claim verification
  • Stability-indicating potency methods

Purity Testing

  • Heavy metals screening (USP <232>, <233>)
  • Microbial limits (USP <2021>, <2022>)
  • Pesticide residue screening
  • Solvent residues
  • Adulterant screening

Product Types We Test

Comprehensive coverage for supplement ingredients and finished goods.

Our dietary supplement testing services cover a wide range of product types, ensuring compliance with 21 CFR Part 111 cGMP requirements and USP standards.

  • Vitamins — Fat-soluble (A, D, E, K) and water-soluble (B-complex, C) vitamin assay and identification
  • Minerals — Calcium, magnesium, zinc, iron, selenium, and other essential mineral quantification
  • Botanicals — Herbal extracts, plant-based ingredients, marker compound analysis, and botanical authentication
  • Nutraceuticals — Omega-3 fatty acids, probiotics, amino acids, CoQ10, and specialty ingredients

Whether you need incoming raw material testing, in-process checks, or finished product release testing, our laboratory provides fast, reliable results using validated USP methods.

Ready to Start Your Supplement Testing?

Tell us the ingredient type and label claims. We will recommend the right USP methods and confirm turnaround.

Request a Quote