Faex
Saccharomyces cerevisiae yeast is FDA GRAS for use as a leavening agent and flavoring, with a long history of safe consumption. People with yeast allergy or specific autoimmune conditions may need to avoid it.
What it is
Faex is the Latin/INCI term for yeast (typically Saccharomyces cerevisiae) used as a leavening agent, flavoring, and nutritional ingredient.
Leavening agent, flavor source, nutritional source of B-vitamins and protein.
Why it's flagged
- yeast allergy (rare)
- high glutamate content in yeast extract
What regulators actually say
"Bakers yeast extract is the food ingredient resulting from concentration of the solubles of mechanically ruptured cells of a selected strain of yeast, Saccharomyces cerevisiae."
Regulatory status
United States — FDA
GRAS — bakers yeast extract under 21 CFR 184.1983; yeast as food traditional
European Union — EFSA
Permitted in foods; yeast cell wall (β-glucans) authorized as Novel Food
Scan it before you buy it
Get Ube on iOS or Android — point at any barcode, see what's actually in there.
Get the app