About Us

Pure Encapsulations® manufactures a line of hypoallergenic, research-based dietary supplements. Available through health professionals, products are meticulously formulated using pure ingredients designed to deliver predictable results for the benefit of all patients, even the most sensitive.‡

Manufactured in Sudbury, Massachusetts, products are scientifically tested and validated by third-party laboratories to ensure the highest quality standards. Pure Encapsulations products are free from magnesium stearate, gluten, hydrogenated fat, artificial sweeteners and colors, and other unnecessary excipients.

Pure Encapsulations. Zero Compromises. Pure Results. See what’s in our products, and what’s not, at PureEncapsulations.com

Professional Strength Products

  • Only licensed healthcare professionals may order from Pure Encapsulations.

  • The most important link between our professional strength supplements and consumers is the presence and guidance of a qualified health professional.

Supplements for Sensitive People

  • Our products do not contain wheat, gluten, nuts, egg, or hydrogenated oils.

  • Comprehensive Allergen SOP in place to prevent cross-contamination.

  • We do not add coatings, binders, fillers, excipients, artificial flavors, artificial sweeteners or colors.

  • We do not use magnesium stearate in any of our products.

  • All two-piece capsules are hypoallergenic and vegetarian.


  • We manufacture our own products in Sudbury, Massachusetts. We have an open plant policy for physicians.

  • Each piece of equipment is dismantled and sterilized before each production run

  • All manufacturing takes place in temperature, humidity and dust controlled rooms.

  • Our warehouse is climate controlled in order to maximize the stability of our raw materials and finished products.

Full Label Disclosure

  • Our supplement labels list all ingredients, including the composition of the raw material.

  • Standardizations of herbal extracts are provided to indicate primary active marker compounds.

  • Minerals are listed by true elemental weight.

GMO Policy

  • All Pure Encapsulations ingredients, including those derived from corn are GMO free. This means that we have obtained statements from our suppliers certifying that the ingredients do not contain GMO. For some nutrients of particular concern, we have done PCR testing to confirm the absence of genetically modified material.

Our Products Are Tested By:

An extensive Product Testing Program involves verification of label claims, potency and purity by 3rd-party laboratories.

Ingredients and finished product are tested for:

  • Potency
  • Identity
  • Solvent residues (32 compounds)
  • Microbial contaminants
  • Heavy metals, including mercury, arsenic, cadmium and lead
  • Allergens
  • Aflatoxins
  • Melamine
  • Other Adulterants

Every reception of fish oil or krill oil ingredients is tested for:

  • 17 dioxins and furans
  • 12 dioxin-like PCBs
  • 7 PCBs

Every reception of every fatty acid ingredient is tested for:

  • Acid value
  • Peroxide Value (PV)
  • Anisidine Value (AV)
  • TOTOX (2*PV)+AV

Herbal ingredients and other potentially exposed categories are tested for:

  • Pesticide residues (70 compounds)