Lutein is an active carotenoid and potent natural source antioxidant. It is extracted from marigold flowers and contains a normal blend of carotenoids including: Zeaxanthin and Cryptoxanthin.

• 叶黄素是一种活性类胡萝卜素，它是天然的抗氧化剂重要来源，取自万寿菊花，它含有一种纯混合类胡萝卜素：玉米黄质和隐黄质。