Lithium lactate is a chemical compound, a salt of lithium and lactic acid with the formula CH3CH(OH)COOLi,[4] an amorphous solid, very soluble in water.

[5] Synthesis is by neutralization of lactic acid with lithium hydroxide: Lithium lactate forms an amorphous solid.

Lithium lactate emits acrid smoke when heated to decomposition.

[7] Lithium lactate reacts with triphosgene to obtain lactic acid-O-internal anhydride.

Lithium lactate is part of drugs that promote the excretion of uric acid from the body.