lutein solution

例句：

1. 1. Lutein is an important component of the human diet that can help protect eyesight.
   叶黄素是人类饮食中的重要成分，可以帮助保护视力。
2. 2. The researchers found that lutein could reduce the risk of age-related macular degeneration.
   研究人员发现，叶黄素可以降低老年黄斑变性的风险。
3. 3. Lutein supplements are often recommended for people with diabetes to improve their vision.
   糖尿病患者经常被推荐服用叶黄素补充剂来改善视力。