Vitamin D2 bakers yeast

This is vitamin D2 produced by ultraviolet treatment of baker's yeast, used to fortify bread and other yeast-containing foods.

Where it is and isn’t permitted

Status of Vitamin D2 bakers yeast by jurisdiction. Every jurisdiction this site covers is listed, including those where the substance does not appear.
JurisdictionStatusScope and limitsCitation
United StatesFood and Drug AdministrationPermitted, with conditions21 CFR 172.381retrieved 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

Baker's yeast is exposed to ultraviolet light, which converts the ergosterol in the cell walls to vitamin D2. The yeast is used whole rather than the vitamin being extracted.

  • Vegan
  • Vegetarian

Every name it appears under

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

As it appears in regulation

  • Vitamin D2 bakers yeast

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/vitamin-d2-bakers-yeast.json