What Is Sodium Benzoate? Safety, Risks & Alternatives

⚡ Quick Facts

E-NumberE211
FDA StatusFDA-approved as GRAS at levels up to 0.1% (21 CFR 184.1733). FDA investigated benzene formation in beverages in 2006 and…
EFSA StatusEFSA reviewed in 2016 and maintained approval with an ADI of 5 mg/kg body weight/day. Included in the Southampton Study …
ADI5 mg/kg body weight/day (EFSA/JECFA)
SeverityModerate Risk (6/10)

What Is Sodium Benzoate?

A synthetic preservative used to inhibit growth of mold, yeast, and bacteria in acidic foods and beverages. It is the sodium salt of benzoic acid, which also occurs naturally in cranberries, prunes, and cinnamon.

Mechanism of Action

In acidic conditions, sodium benzoate converts to benzoic acid, which penetrates microbial cell membranes and inhibits enzymes in the citric acid cycle. A key concern is that in the presence of ascorbic acid (vitamin C) and heat/light, sodium benzoate can form benzene, a known human carcinogen (IARC Group 1).

Why People Avoid Sodium Benzoate

Regulatory Status

🇺🇸 FDA

FDA-approved as GRAS at levels up to 0.1% (21 CFR 184.1733). FDA investigated benzene formation in beverages in 2006 and found most products were within safe limits after reformulation.

🇪🇺 EFSA

EFSA reviewed in 2016 and maintained approval with an ADI of 5 mg/kg body weight/day. Included in the Southampton Study mixture that triggered EU warning labels.

Regulatory Timeline

1908 One of the first FDA-approved preservatives
2006 FDA investigates benzene in beverages; several brands reformulate
2007 Southampton Study includes sodium benzoate in hyperactivity-linked mixtures
2008 EU warning labels for products containing sodium benzoate + artificial colors

Products Containing Sodium Benzoate (10 found)

#ProductBrandScore
1FAVORITE DAY BAKERY COOKIES VARIETY PACK, 16 COUNT, 22.4 OZTarget Stores10/100
2MARKETSIDE, SPINACH ARTICHOKE DIPWal-Mart Stores, Inc.10/100
3Equate—16/100
4ASSORTED CARAMELS SUGAR FREE CHOCOLATE CANDY, ASSORTED CARAMELSRussell Stover Candies Inc.20/100
5Banquet Salisbury Steak with Creamy Mashed Potatoes & Cinnamon Apple Dessert, Frozen Meal, 11.88 oz.Conagra Brands, Inc24/100
6Chicken Pot PieKirkland24/100
7SPRING VALLEY PARTY ASSORTMENT, 12 COUNT, 8.4 OZSPRING VALLEY29/100
8costco chicken salad—35/100
9Marketside Rotisserie Salad Croissant—35/100
10Dr Pepper Zero SugarDr Pepper36/100

Average safety score for products containing Sodium Benzoate: 24/100

Safer Alternatives

✅
Citric acid
✅
Potassium sorbate
✅
Natural fermentation
✅
Rosemary extract

Scientific Sources

  1. FDA (2006). Data on Benzene in Soft Drinks and Other Beverages
  2. McCann et al. (2007). The Lancet, 370(9598)
  3. EFSA (2016). Scientific Opinion on the re-evaluation of benzoic acid (E 210), sodium benzoate (E 211)

Frequently Asked Questions

What is Sodium Benzoate?
A synthetic preservative used to inhibit growth of mold, yeast, and bacteria in acidic foods and beverages. It is the sodium salt of benzoic acid, which also occurs naturally in cranberries, prunes, and cinnamon.
Is Sodium Benzoate safe?
Sodium Benzoate is FDA-approved as GRAS at levels up to 0.1% (21 CFR 184.1733). FDA investigated benzene formation in b. EFSA reviewed in 2016 and maintained approval with an ADI of 5 mg/kg body weight/day. Included in th.
Where is Sodium Benzoate banned?
Sodium Benzoate is not currently banned in any major market according to our database.
What are alternatives to Sodium Benzoate?
Safer alternatives to Sodium Benzoate include: Citric acid, Potassium sorbate, Natural fermentation, Rosemary extract.
How can I avoid Sodium Benzoate?
Download CheckIt AI and scan any product's barcode or ingredient label. The app will flag Sodium Benzoate and suggest safer alternatives.
What foods contain Sodium Benzoate?
Sodium Benzoate is commonly found in: Soft drinks, Fruit juices, Pickles, Salad dressings, Soy sauce, Condiments. Our database has flagged it in 10 products.
What are the side effects of Sodium Benzoate?
Concerns about Sodium Benzoate include: Benzene formation when combined with vitamin C; Included in Southampton Study mixtures; EU warning labels.
Is Sodium Benzoate natural or artificial?
Sodium Benzoate: In acidic conditions, sodium benzoate converts to benzoic acid, which penetrates microbial cell membranes and inhibits enzymes in the citric acid cycl.
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Compare Sodium Benzoate

Sodium Benzoate vs BHA (Butylated Hydroxyanisole)Sodium Benzoate vs BHT (Butylated Hydroxytoluene)Sodium Benzoate vs Sodium NitriteSodium Benzoate vs TBHQ (Tertiary Butylhydroquinone)Sodium Benzoate vs Calcium PropionateSodium Benzoate vs Propyl Gallate
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⚕️ This page provides ingredient information for educational purposes only. It is not medical advice. Consult a healthcare professional for personalized dietary guidance.

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📋 Cite This Data
APACheckIt AI. (2026). "What Is Sodium Benzoate? Safety, Risks & Alternatives | CheckIt AI". Climaverse PBC. Retrieved from https://getcheck.it/ingredients/sodium-benzoate
MLA"What Is Sodium Benzoate? Safety, Risks & Alternatives | CheckIt AI." CheckIt AI, Climaverse PBC, 2026-03-05. https://getcheck.it/ingredients/sodium-benzoate.
HTML Embed<a href="https://getcheck.it/ingredients/sodium-benzoate">What Is Sodium Benzoate? Safety, Risks & Alternatives | CheckIt AI — CheckIt AI</a>
BibTeX@misc{checkit2026ingredientssodiumbenzoate, title = {What Is Sodium Benzoate? Safety, Risks & Alternatives | CheckIt AI}, author = {CheckIt AI}, year = {2026}, publisher = {Climaverse PBC}, url = {https://getcheck.it/ingredients/sodium-benzoate}, note = {Retrieved 2026-03-05} }