Sodium Benzoate
This is what the ingredient is.
Sodium benzoate is the sodium salt of benzoic acid, a naturally occurring compound found in cranberries, prunes, and cinnamon. Commercially produced through chemical synthesis.
Here is why it shows up on the label.
Used as a preservative to prevent growth of bacteria, yeast, and mold in acidic foods and beverages (pH < 4.5). Commonly found in soft drinks, fruit juices, pickles, and condiments.
Here is what food agencies say.
The FDA has approved it as Generally Recognized As Safe (GRAS) at levels up to 0.1% in foods. European food agencies permit use, with a suggested daily limit of up to 5 milligrams per kilogram of body weight. No restrictions in US, EU, Canada.
Here is what research has found.
WHO/FAO an FAO/WHO expert committee reviewed safety data in 2016. Studies show effective antimicrobial activity at acidic pH. Research published in Food Chemistry (2019) confirms stability and efficacy in beverage systems.
Here are a few things worth knowing.
May trigger reactions in individuals with aspirin sensitivity or sulfite allergies. When combined with ascorbic acid (vitamin C) under certain conditions, may form trace amounts of benzene. Not recommended for individuals with known benzoate sensitivity.
Sources
- FDA GRAS Notice
- EFSA Scientific Opinion 2016
- WHO/FAO JECFA Monograph
How to read this page
We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.