vinic acid

例句：

1. 1.Vinic acid is an essential nutrient for the human body.
   维尼酸是人体必需的营养素。
2. 2. The supplement contains high levels of vitamin C, which is beneficial for immune system health.
   这种补充剂含有高水平的维生素C，对免疫系统健康有益。
3. 3.Vinic acid is often used in skin care products to improve skin texture and tone.
   维尼酸常用于护肤产品中，以改善皮肤质地和肤色。