Microparticulated protein product

Microparticulated protein is a fat replacer: protein reduced to particles small enough that the tongue reads them as fat rather than as protein. It was sold as Simplesse and used in low-fat ice cream.

Where it is and isn’t permitted

Status of Microparticulated protein product by jurisdiction. Every jurisdiction this site covers is listed, including those where the substance does not appear.
JurisdictionStatusScope and limitsCitation
United StatesFood and Drug AdministrationPermitted21 CFR 184.1498retrieved 2026-09-07
Codex AlimentariusCodex Alimentarius Commission / JECFANot listedDoes not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.

What it is made from

Made by heating and shearing whey or egg white protein into microscopic spheres. The starting protein is dairy or egg.

  • Not vegan
  • Vegetarian
  • May raise a kosher question

Every name it appears under

1 recorded name. A label may use any of them.

As it appears in regulation

  • Microparticulated protein product

Hazard reference values

No reference value for this substance in the sources we hold.

Evidence and how bodies read it

Studies, and the differing conclusions regulators drew from them, are curated by hand rather than machine-read, and none has been written for this substance yet.

Sources for this page

  • ecfr retrieved 2026-09-07

Full licence terms and publisher details on Sources. How this page is built and updated: Method.

Machine-readable:/api/v1/additives/microparticulated-protein-product.json