What Causes Lactic Acid Buildup: Understanding the Metabolic Reasons
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4 min read
According to the Cleveland Clinic, high lactic acid levels, known as hyperlactatemia, are often attributed to intense exercise but can also signal underlying health conditions. Understanding **what causes lactic acid buildup** requires looking beyond exercise to the body’s metabolic processes and overall health. Lactic acid is a byproduct of anaerobic glycolysis, a temporary energy-producing pathway that becomes more active when oxygen supply is limited.