Potassium lactate is a compound with formula KC3H5O3.

It is the potassium salt of lactic acid and appears as a clear, hygroscopic, syrupy liquid suspension that is typically 60% solids.

[2] It is produced by neutralizing lactic acid, which is fermented from a sugar source.

Potassium lactate is commonly used in meat and poultry products to extend shelf life and increase food safety, as it has a broad antimicrobial action and is effective at inhibiting most spoilage and pathogenic bacteria.

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