Potassium Benzoate

Generally Safe PreservativeSynthetic

Potassium Benzoate is a synthetic preservative used in dietary supplements. Safety rating: Generally Safe. It is generally considered safe for most people at standard doses. Found in 12 supplements in the GoodSupp database. Potassium benzoate is a salt of benzoic acid.

12 Products use this
Generally Safe Safety rating
Preservative Category
No Natural origin

Safety Verdict: Generally Safe

This ingredient is rated generally safe for use in dietary supplements.

What is Potassium Benzoate?

Potassium benzoate is a salt of benzoic acid.

Common Names Potassium Benzoate
Type Preservative
Origin Synthetic / Manufactured
Safety Rating Generally Safe

Why is Potassium Benzoate used in supplements?

It is used as a preservative to prevent spoilage.

Role in supplements: Preservative — extends shelf life by preventing bacterial growth or oxidation.

Should you be concerned about Potassium Benzoate?

Generally no. Potassium Benzoate is considered safe for most people at typical supplement doses. Some individuals may want to be aware of minor sensitivities.

Low risk. Generally safe for most people in supplement amounts.

Top-rated products containing Potassium Benzoate

These 12 highest-scoring supplements in our database use Potassium Benzoate.

GreenPeach Immune Boost, Grape & Berry, 16 fl oz (473 ml)
GreenPeach Immune Boost, Grape & Berry, 16 fl oz (473 ml)
Product 88 Brand N/A
Planetary Herbals Well Child™, Echinacea-Elderberry Herbal Syrup, 4 fl oz (118.28 mL)
Planetary Herbals Well Child™, Echinacea-Elderberry Herbal Syrup, 4 fl oz (118.28 mL)
Product 87 Brand N/A
Source Naturals Melatonin, Orange, 1 mg, 2 fl oz (59.14 ml)
Source Naturals Melatonin, Orange, 1 mg, 2 fl oz (59.14 ml)
Product 87 Brand N/A
Source Naturals Sleep Science®, Melatonin, Orange, 1 mg, 4 fl oz (118.28 ml)
Source Naturals Sleep Science®, Melatonin, Orange, 1 mg, 4 fl oz (118.28 ml)
Product 87 Brand N/A
Source Naturals Sleep Science®, Melatonin NutraSpray, Orange, 2 fl oz (59.14 ml)
Source Naturals Sleep Science®, Melatonin NutraSpray, Orange, 2 fl oz (59.14 ml)
Product 87 Brand N/A
Trace Liquid Multi Vitamin-Mineral, For Men & Women, Orange Mango, 30 fl oz (887 ml)
Trace Liquid Multi Vitamin-Mineral, For Men & Women, Orange Mango, 30 fl oz (887 ml)
Product 85 Brand N/A
Planetary Herbals Calm Child™ Herbal Syrup, 4 fl oz (118.28 ml)
Planetary Herbals Calm Child™ Herbal Syrup, 4 fl oz (118.28 ml)
Product 83 Brand N/A
Planetary Herbals Calm Child™ Herbal Syrup, 2 fl oz (59.14 ml)
Planetary Herbals Calm Child™ Herbal Syrup, 2 fl oz (59.14 ml)
Product 83 Brand N/A
Planetary Herbals Calm Child™, Herbal Syrup, 8 fl oz (236.56 ml)
Planetary Herbals Calm Child™, Herbal Syrup, 8 fl oz (236.56 ml)
Product 83 Brand N/A
NaturesPlus Source of Life Liquid Natural Delicious Tropical Fruit Flavor
NaturesPlus Source of Life Liquid Natural Delicious Tropical Fruit Flavor
Product 82 Brand N/A
Nature's Way Joint Movement Glucosamine Ultra Strength Berry Flavored
Nature's Way Joint Movement Glucosamine Ultra Strength Berry Flavored
Product 82 Brand N/A
Nature's Way Joint Movement Glucosamine, 480 ml, Joint Health Formula
Nature's Way Joint Movement Glucosamine, 480 ml, Joint Health Formula
Product 82 Brand N/A
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Frequently Asked Questions
Is Potassium Benzoate safe in supplements?

Potassium Benzoate is rated generally safe for most people at amounts commonly found in supplements. While the overall safety profile is favorable, some individuals may experience minor sensitivities. In GoodSupp's database, 12 products contain this ingredient. Consult your healthcare provider if you have specific concerns.

What is Potassium Benzoate and why is it in my supplement?

Potassium benzoate is a salt of benzoic acid. As a preservative, it extends shelf life by preventing bacterial growth, oxidation, or degradation of active ingredients. It appears in 12 products in the GoodSupp database.

Is Potassium Benzoate natural or synthetic?

Potassium Benzoate is synthetically produced, meaning it is manufactured through chemical processes rather than directly extracted from natural sources. Synthetic ingredients are extremely common in supplements and are not inherently less safe than natural alternatives. In many cases, synthetic production allows for higher purity and more consistent quality. The FDA regulates both natural and synthetic supplement ingredients under the same safety standards. GoodSupp rates ingredients based on their actual safety data regardless of whether they're natural or synthetic.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.