What causes high lactate levels?
Mar 24, 2025
Source: Cainiu Health
Dr. Yang Ziqi
Introduction
During short-term high-intensity exercise, the body's oxygen supply is insufficient, leading muscles to undergo anaerobic respiration, which may result in a significant accumulation of lactic acid and elevated blood lactate levels. Exercise should be performed gradually, with adequate warm-up before activity and stretching exercises afterward, such as slow walking and leg stretches, to promote lactate metabolism. Prolonged fatigue and overexertion can disrupt the body's metabolic functions, potentially increasing energy expenditure and enhancing anaerobic metabolism.
High lactate levels may be caused by strenuous exercise, excessive fatigue, unbalanced diet, hepatitis, chronic obstructive pulmonary disease (COPD), and other factors, and can be managed according to specific situations. It is recommended to visit a hospital promptly and receive treatment as directed by a physician.
1. Strenuous exercise: Short-term high-intensity exercise can lead to insufficient oxygen supply in the body. Muscles undergo anaerobic respiration, which may produce significant lactate accumulation, causing elevated blood lactate levels. Exercise should be performed gradually, with adequate warm-up before and stretching after exercise, such as slow walking and leg stretching, to promote lactate metabolism.
2. Excessive fatigue: Prolonged fatigue may lead to metabolic dysfunction in the body, increasing energy consumption and enhancing anaerobic metabolism, which results in increased lactate production. It is important to maintain a reasonable work-rest schedule, ensure 7-8 hours of sufficient sleep daily, avoid staying up late, and take a 10-15 minute break every hour during work or study to perform simple physical activities to relieve fatigue and reduce lactate production.
3. Unbalanced diet: Long-term consumption of high-sugar and high-fat foods combined with insufficient dietary fiber intake may affect normal body metabolism, potentially leading to elevated lactate levels. Adjust the diet structure by increasing the intake of fiber-rich foods such as vegetables, fruits, and whole grains, while controlling sugar and fat consumption.
4. Hepatitis: Factors such as viral infection or drug-induced injury may cause liver damage, reducing the liver's ability to metabolize lactate, leading to lactate accumulation in the body. Symptoms may include fatigue, reduced appetite, and jaundice. Patients can use medications such as compound glycyrrhizin tablets, silybin capsules, and polyene phosphatidylcholine capsules under medical guidance to improve lactate metabolism.
5. Chronic obstructive pulmonary disease: Smoking, air pollution, and other factors may impair the lung's ventilation and gas exchange functions, leading to insufficient oxygen intake, increased anaerobic metabolism, and excessive lactate production. Symptoms include dyspnea, cough, sputum production, with worsening after physical activity. It is recommended to use medications such as salbutamol aerosol, budesonide/formoterol inhalation powder, and aminophylline tablets under medical guidance to alleviate symptoms.
In daily life, maintaining a light and balanced diet helps maintain metabolic equilibrium and lower lactate levels.
References:
[1] Lin Li, Song Jiao, Dong Birong. Research Progress on Nutritional Management of Chronic Obstructive Pulmonary Disease [J]. Journal of Modern Clinical Medicine, 2025, 51(02): 157-160.
[2] Yu Simiao, Li Jiahui, Jing Jing, et al. Retrospective Cohort Study on the Intervention of Fuzheng Huaji Formula in Chronic Hepatitis B for Reducing the Incidence of Cirrhosis and Hepatocellular Carcinoma [J]. Journal of Traditional Chinese Medicine, 2025, 66(03): 268-274.
