Lactic acid has long been villainized, but new research shows it doesn't impair muscle function. In fact, it might actually be good for you.

Lactic acidosis occurs when lactic acid accumulates in the bloodstream. Learn more from WebMD about the symptoms, causes, and treatments for lactic acidosis. Skip to main content ...

Lactic acid is a natural byproduct of the body. It is integral to good health and does not result from exercise or cause soreness. Learn more here.

Lactic acid is not responsible for sore muscles the day after exercise, contrary to popular belief. To get rid of lactic acid build-up in muscles, take more breaks or decrease your exercise intensity.

Steps taken, distance traveled, even your heart rate -- your fitness tracker can already tell you plenty about your workout. But how do you really know if your body is working at its optimum level?

Lactic acid is perfectly safe at low levels, but it can cause major problems when it builds up. If your doctor suspects that this is the case, you’ll probably have a lactic acid blood test.

What Is A Lactic Acid Peel—And Will It Help Your Skin Look Younger? It’s made from an ingredient found in milk. By Grace Gold Published: Mar 12, 2018 1:18 PM EDT ...