Calcium lactate is a salt that consists of two lactate anions for each calcium cation (Ca2+). It is prepared commercially by the neutralization of lactic acid with calcium carbonate or calcium hydroxide. Approved by the FDA as a direct food substance affirmed as generally recognized as safe, calcium lactate is used as a firming agent, flavoring agent, leavening agent, stabilizer, and thickener [L2741]. Calcium lactate is also found in daily dietary supplements as a source of calcium. It is also available in various hydrate forms, where calcium lactate pentahydrate is the most common.