Our greatest asset is who makes our products. These are the established U.S. contract manufacturers behind Purecise — each with real credentials you can verify yourself.

A family-owned, practitioner-channel manufacturer of professional-grade formulas, known for first-to-market formulations developed by an in-house medical research team. Purecise sources formulas such as Cortisolv®, ActivNutrients® Chewable, and XymoZyme® from XYMOGEN — each supplied with a product Certificate of Analysis.





Patented adaptogen used in Cortisolv®.

A leading practitioner supplement manufacturer with in-house facilities and a science-first philosophy. Purecise sources formulas including Brain Vitale®, Ultra Pure® Cod Liver Oil, and Trizomal™ Glutathione from Designs for Health — with U.S. Certificate of Origin.

Manufactured by FoodScience, LLC — an FDA-registered Vermont facility (est. since the 1970s) with a strong FDA inspection record: its last three inspections were all classified "No Action Indicated" (NAI), the best possible outcome. Purecise sources selected formulas here with U.S. Certificate of Origin.


No Action Indicated — the FDA's best inspection classification.


A professional nutrition brand whose formulas are produced in FDA-registered U.S. facilities. Purecise sources selected NutriDyn formulas, each supplied with a batch Certificate of Analysis.


Identity & potency documentation per production run.
Produced in FDA-registered U.S. facilities.
We list only qualifications each manufacturer actually holds — for example, NSF-GMP applies to Designs for Health and is not extended to others. See all Purecise brand documents on our Quality & Certifications page. Canadian and Australian manufacturing partners are planned.