Vitamin A is a fat-soluble nutrient essential to the human body and plays a key role in many bodily functions. There are two types of vitamin A: Retinoids and Carotenoids .

Carotenoids are a class of natural pigments found in many plant organisms and some animals. These compounds are responsible for vibrant colors such as red, orange and yellow in many fruits and vegetables. In total, there are more than 600 different known carotenoids.

Zeaxanthin is, like Lutein, a natural Carotenoid. Both are pigments found in many fruits and vegetables, and are known for their benefits to eye health.

Lutein is a type of carotenoid, a class of natural pigments found in many plants, algae and bacteria. Lutein is known for its health benefits, particularly for eye health.

Marigold extract is rich in antioxidants, particularly Lutein, a carotenoid that has been linked to numerous health benefits, including vision protection and prevention of age-related macular degeneration.