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Additives

Carboxymethyl Cellulose (E466): What It Is and Is It Safe?

Moderate Thickener / Stabiliser · Thickener

Modified cellulose. A 2021 study in Gastroenterology found that CMC altered gut microbiome composition and promoted low-grade inflammation in healthy adults. EFSA is reviewing this evidence.

Category
Thickener / Stabiliser — Thickener
Typically used in
Ice cream, cream cheese, salad dressings, gluten-free foods
Regulatory status
EFSA under review. Gut microbiome study 2021 raised concerns.
Also listed as
CMC
Concerns flagged
Gut-microbiome effectsInflammation link

Scrannr flags Carboxymethyl Cellulose automatically when you scan a barcode.

Sources

Where this comes from

  1. Gastroenterology (2022) — Randomized Controlled-Feeding Study of Dietary Emulsifier Carboxymethylcellulose Reveals Detrimental Impacts on the Gut Microbiota and Metabolome https://doi.org/10.1053/j.gastro.2021.09.037
  2. Chassaing et al. (2015) — Dietary emulsifiers impact the mouse gut microbiota promoting colitis and metabolic syndrome https://www.nature.com/articles/nature14232
  3. Shi et al. (2025) — Polysorbate 80 and carboxymethylcellulose: A different impact on epithelial integrity when interacting with the microbiome https://pubmed.ncbi.nlm.nih.gov/39778648/
Products

Products containing Carboxymethyl Cellulose

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