Specimen No. 0073
AvoidSyntheticfood additivepreservative
Sodium Benzoate
sodium benzoate · e211 · benzoate of soda
Common preservative in acidic foods. When combined with vitamin C (ascorbic acid) and exposed to heat or light, it can form benzene — an IARC Group 1 carcinogen.
high confidence
Researched April 18, 2026Specimen 0073Sodium Benzoate
Concerns
- Reacts with vitamin C to form benzene (IARC Group 1 carcinogen)
- Linked to hyperactivity in children (Southampton study) when combined with artificial dyes
- Disrupts mitochondrial DNA in animal models at higher doses
- May deplete cellular CoA-SH
Regulatory flags
- ⚑Forms benzene (IARC Group 1) when combined with ascorbic acid
- ⚑EU requires behavioral warning label when used with azo dyes
Commonly found in
Soft drinksSalad dressingCondimentsFruit juicePickles
Sources & references
Last researched: April 18, 2026
Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.
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