An exercise physiologist explains lactic acid, and it's impact on our bodies. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. What is ...

Lactic acid was once believed to be the cause of sore muscles after exercise. It’s not. Another substance, lactate, contributes. However, what causes muscle burn and pain is more complex.

So, if lactic acid build up isn’t at fault for burning, aching muscles (during or following a workout), you may be left wondering why people seem to hate on it.

People often discuss the importance of removing, or “flushing out,” lactic acid from the blood after intense exercise to reduce muscle soreness, speed recovery, or boost athletic performance.

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 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 .

Lactate legs: Fans drew the structure of lactic acid on the road during the 2024 Il Lombardia cycle race. Tadej Pogačar, the cyclist pictured, rapidly overcomes the adverse effects of glycolysis.

Looking to nature for answers to complex questions can reveal new and unprecedented results that can even affect cells on molecular levels.

The 9 best lactic acid serums to help gently exfoliate and brighten skin, according to expert dermatologists and beauty editors—tested and reviewed.

Researchers found that cancer cell lines derived from the liver and kidney showed increased production of nitric oxide (NO) and lactic acid upon IFN-^ activation.

Lactic acid is the gentle exfoliant making waves in skincare. Discover why experts say it could be the key to brighter, smoother, and healthier-looking skin. Search. About Women's Health; ...