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Modified Cellulose Gum

Low concern

Sodium carboxymethylcellulose (cellulose gum) is a permitted food additive (21 CFR 182.1745). Some emerging research raises questions about effects of emulsifier-class additives on the gut microbiome.

Found in

133 products

What it is

Chemically modified forms of cellulose, most commonly carboxymethylcellulose (CMC) / sodium carboxymethylcellulose, used as thickeners and stabilizers.

Thickener, stabilizer, water-binder, and viscosity modifier.

Why it's flagged

emerging research on emulsifier effects on gut microbiota

What regulators actually say

"Cellulose gum (carboxymethylcellulose sodium)... is generally recognized as safe."

21 CFR 182.1745 — ecfr.gov

Regulatory status

United States — FDA

GRAS, 21 CFR 182.1745 (sodium carboxymethylcellulose)

European Union — EFSA

Authorized as E466

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