Macushield vegetarian is a patented formula bringing together three key nutrients lutein meso zeaxanthin and zeaxanthin these are known to protect the sensitive areas of the eye from environmental stresses ageing smoking and pollution as well as some sources of light can increase the risk of damage to the sensitive parts of the eye taking macushield daily can help by adding to the protective pigment layer of the eye serving to reduce the risk of degeneration approved by the vegetarian