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MPL Laboratories
12 Wilson Drive
Sparta, NJ 07871

Phone: 973-300-9715
A Full Service Microbiology Laboratory

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Microbiology Testing Services

Category Press Release
Publish Date 1/21/2026
Author Paul Cochrane
Title Microbiology Testing Services for Nutritional and Dietary Supplements
Introduction MPL Laboratories helps to ensure product safety, quality, and regulatory compliance for a rapidly growing industry.

Sparta, New Jersey, January 21, 2026

As consumer demand for vitamins, herbal products, probiotics, and other dietary supplements continues to rise, ensuring microbial safety has become a critical component of product quality. MPL Laboratories’ capabilities provide manufacturers with accurate, timely, and defensible data to help meet current Good Manufacturing Practice (cGMP) requirements and United States Pharmacopeia (USP) standards.

 

Microbiological quality is a non-negotiable aspect of supplement safety. MPL’s USP <2021> Microbial Enumeration Tests and USP <2022> Tests for Specified Microorganisms provide customers with confidence that their products meet stringent regulatory expectations while maintaining the highest quality standards. By offering end-to-end microbiological support, MPL Laboratories helps streamline compliance and protect brands.

 

MPL Laboratories’ service offerings for the supplement industry include:

  • USP <2021> Microbial Enumeration Test
    • Total aerobic microbial count (TAMC)
    • Total yeast and mold count (TYMC)
    • Enterobacterial Count

 

  • USP <2022> Tests for Specified Microorganisms

 

  • Customized Testing Protocols
    • Method suitability studies
    • Specialized handling of difficult or microbial-rich formulations
    • Support for probiotics, gummies, powders, capsules, tablets, tinctures, and plant-based ingredients

 

MPL Laboratories is known for its strict adherence to cGMP and ISO 17025 quality standards, secure sample handling procedures, and detailed reporting designed for regulatory submissions, audits, and internal quality programs.

 

With increased FDA scrutiny and evolving industry regulations, supplement manufacturers face heightened expectations for microbial control. MPL Laboratories’ team of experienced microbiologists provides clients with technical guidance, method development support, and ongoing communication throughout the testing process. By combining scientific expertise with responsive service, MPL Laboratories helps manufacturers stay ahead of regulatory requirements and deliver safe, high-quality products to consumers.

 

For more information about testing services offered by MPL Laboratories, please visit www.MPLLaboratories.com, call (800) 548-1874, or email info@MPLLaboratories.com.

 

 

About MPL Laboratories

MPL Laboratories (formerly Marypaul Laboratories) was founded in 1985 as a full service microbiology laboratory. It is ISO/IEC 17025 accredited by PJLA, FDA, and DEA registered. MPL’s staff includes a Ph.D. Diplomat of the American Board of Toxicology, M.S. and B.S. degreed microbiologists, along with other dedicated scientific personnel. The microbiology testing laboratory serves the pharmaceutical, cosmetic, and personal care product industries. MPL strives to provide its clients with reliable, defensible test data delivered in a timely manner. The laboratory is part of the EMSL Analytical network of laboratories across the United States and Canada.

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