Lactic acid

Lactic acid is a biologically important acid and a by-product of anaerobic metabolism. The conjugate base of lactic acid is called lactate. Most of the time, the term "lactic acid" refers to L-lactic acid, the form of lactic acid produced in animals. Some bacteria produce a different form, called D-lactic acid. There is evidence that lactic acid in animals may be an important fuel for myocardial energy metabolism.

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