Nitric oxide synthase converts the amino acid arginine into citrulline and nitric oxide.

一氧化氮合酶将氨基中精氨转化为瓜氨和一氧化氮。

Other supplements that have shown to help alleviate DOMS are creatine, fish oil, taurine, branch chained amino acids, and citrulline malate.

其它显示有助于减轻 DOMS ，有肌鱼油，，氨基和瓜氨。

Watermelon contains L-citrulline, an amino acid that may help reduce muscle soreness after a workout.

西瓜含有 L-瓜氨，这是一种氨基，可以帮助减轻锻炼后肌肉痛。

Because L-citrulline helps open and relax blood vessels, it can improve blood flow and lower blood pressure.

因为 L-瓜氨有助于打开和放松血管，它可以改善血液流动并降低血压。

The way it works is that L-citrulline dilates blood vessels, opening them up to allow for more blood flow to the muscles which can decrease soreness by improving the supply of oxygen during exercise.

它工作方式是 L-瓜氨扩张血管，打开它们以允许更多血液流向肌肉， 这可以通过改善运动期间氧气供应来减少痛。