- exposure pathway： 静脉注射、口服。绝对生物利用度为 15%（片剂或溶液）。达到最大血浆浓度的时间为 3.3 小时。
- Toxicity summary： 左旋肉碱可在体内由氨基酸赖氨酸或甲硫氨酸合成。维生素 C（抗坏血酸）对肉碱的合成至关重要。左旋肉碱是长链脂肪酸穿过线粒体内膜的载体分子。它还将酰基从细胞器中运出，并从细胞运至尿液之前积累到有毒浓度。只有 L-型肉碱（有时称为维生素 BT）影响脂质代谢。左旋肉碱由不同途径中的几种蛋白质处理，包括肉碱转运蛋白、肉碱易位酶、肉碱乙酰转移酶和肉碱棕榈酰转移酶。
- Regulatory information： 新西兰 EPA 化学品状态清单：肌氨酸（Carnitine）：没有单独的批准许可，但可以在适当的群体标准下使用。
- Toxicity Data： LD<sub>50</sub> > 8g/kg（小鼠，口服）。
- Symptoms and Signs： 不良反应包括高血压、发热、心动过速和抽搐。
- Carcinogen Classification： 对人类无致癌性指示（未列入 IARC）。
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Research chemical 1mL
Research chemical 1mL; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: 1mL.
