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Antidote Support 2026-08-19

Optimizing Glutathione Synthesis: Triple Support from NAC, Glycine, and Glutamine

Glutathione (GSH) synthesis is limited by cysteine availability. NAC provides a stable cysteine precursor, while glycine and glutamine supplement the other two amino acids, forming a complete support strategy for GSH synthesis.

Glutathione Synthesis Optimization: Triple Support from NAC, Glycine, and Glutamine

谷胱甘肽(Glutathione, GSH)是由谷氨酸、半胱氨酸和甘氨酸组成的三肽,是人体最重要的内源性抗氧化剂。GSH在解毒(II相结合反应底物)、抗氧化防御(清除ROS/RNS)、免疫调节(T细胞功能)和蛋白质巯基保护中发挥不可替代的作用。

GSH合成的速率限制步骤是半胱氨酸的供应——半胱氨酸是三种氨基酸中最不稳定、最容易氧化的。随着年龄增长、慢性压力、毒素暴露和营养不良,细胞内GSH水平显著下降,导致氧化应激增加和免疫功能衰退。

优化GSH合成需要三重氨基酸支持:NAC(N-乙酰半胱氨酸)提供稳定的半胱氨酸前体(口服生物利用度高,可在细胞内转化为半胱氨酸)、甘氨酸(GSH合成的第二种氨基酸,在应激状态下条件性必需)、谷氨酰胺(转化为谷氨酸,GSH合成的第三种氨基酸)。

临床研究表明,联合补充NAC+甘氨酸(GlyNAC)可显著提升老年人红细胞GSH水平、改善线粒体功能、降低氧化应激标志物、改善认知功能和肌肉力量。这一"GlyNAC方案"已成为功能医学抗衰老和解毒支持的核心策略之一。

香港缔纳斯集团有限公司在Detox & Biotransformation Series中提供GSH合成支持配方(NAC+甘氨酸+谷氨酰胺+硒+维生素B6),支持胶囊和粉剂剂型定制。配方设计遵循"前体供应+辅因子支持"的GSH合成全通路优化逻辑。

Related Nutrients and Products

The following nutrients are relevant to this content and can be used for product formulation.

ViewDetox Support SeriesOEM Solutions
L-Glutamine
GI Support

L-Glutamine

L-Glutamine

Primary energy source for enterocytes; promotes intestinal mucosal repair and supports tight junction protein synthesis.

Liposomal Glutathione
Immune Resilience

Liposomal Glutathione

Liposomal Glutathione

The body's "master antioxidant," involved in detoxification (Phase II conjugation), immune modulation (T-cell function), and protection of protein sulfhydryl groups. Liposomal technology enhances bioavailability.

Capsules / PowdersInquire about OEM services
NAC (N-acetylcysteine)
Immune Resilience

NAC (N-acetylcysteine)

N-Acetyl Cysteine

Glutathione precursor that supplies cysteine (the rate-limiting step in GSH synthesis) and exhibits mucolytic and heavy metal chelating activity.

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Phase II substrates (glycine + taurine)
Detoxification & Biotransformation

Phase II substrates (glycine + taurine)

Glycine + Taurine

Facilitates Phase II conjugation reactions—including glucuronidation, sulfation, and glutathione conjugation—to convert highly reactive intermediates generated in Phase I into harmless, water-soluble substances.

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Selenium (selenomethionine)
NeuroEndocrine Balance

Selenium (Selenomethionine)

Selenium (Selenomethionine)

Cofactor for iodothyronine deiodinases, involved in T4→T3 conversion (thyroid hormone activation), and an essential component of glutathione peroxidase (GPx).