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What are the functions of glutathione?

Nov 03, 2025 Source: Cainiu Health
Dr. Yang Ziqi
Introduction
Under normal circumstances, glutathione, as an important active substance, exerts various functions including antioxidant protection, liver detoxification, maintenance of cellular function, improvement of skin condition, and participation in metabolic regulation. When using glutathione, it is important to select the appropriate formulation according to specific needs, strictly follow medical instructions regarding dosage and duration of use, and avoid self-administration without proper guidance.

Under normal circumstances, glutathione, as an important active substance, exerts various functions including antioxidant protection, liver detoxification, maintenance of cellular function, improvement of skin condition, and participation in metabolic regulation. A detailed analysis is as follows:

1. Antioxidant Protection: Glutathione effectively scavenges free radicals in the body, reducing oxidative damage to cells. It particularly provides significant protection to cell membranes, proteins, and DNA. It is suitable for alleviating physical fatigue and age-related discomfort caused by oxidative stress, helping to maintain normal cellular physiological functions.

2. Liver Detoxification: Glutathione plays a beneficial role in liver metabolism by binding with toxic substances in the body and converting them into non-toxic or less toxic compounds that are then excreted. It can be used to assist in improving liver damage caused by medications, alcohol, and other factors, thereby reducing the liver's detoxification burden.

3. Maintenance of Cellular Function: Glutathione participates in numerous biochemical reactions within cells, helps maintain the intracellular reducing environment, ensures enzyme activity, and promotes cellular repair and regeneration. It offers protective effects on damaged cells and supports the normal function of tissues and organs.

4. Improvement of Skin Condition: Glutathione inhibits the activity of tyrosinase in melanocytes, reducing melanin production, while also mitigating the impact of oxidative damage on the skin. It is suitable for improving dull complexion and hyperpigmentation, helping maintain skin brightness and elasticity, and enhancing overall skin appearance.

5. Participation in Metabolic Regulation: Glutathione is involved in the metabolism of amino acids, fats, and other substances, promoting the absorption and utilization of nutrients and regulating cellular energy metabolism. It helps improve declines in bodily functions caused by metabolic disorders and assists in maintaining normal metabolic balance.

When using glutathione, it is important to select the appropriate formulation based on specific needs, strictly follow medical guidance regarding dosage and duration of use, and avoid unsupervised or indiscriminate use to ensure both safety and effectiveness.

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