Macu Save contains ALL 3 key macular carotenoids which make up the macular pigment, including Meso-zeaxanthin, a powerful antioxidant found exclusively at the centre of the macula where vision is at its sharpest. The clinically proven formula found in Macu Save 10mg Meso-zeaxanthin, 10mg Lutein & 2mg Zeaxanthin is shown to enrich the macular pigment. The three carotenoids form the macular pigment & are found at the back of the eye in the macula at the central part of the retina. The macula is responsible for the clarity of central vision. Of the three macular pigments Lutein & Zeaxanthin are present in some foodstuffs such as fruit & vegetables including spinach, corn, peppers & most leafy greens, whilst Meso-Zeaxanthin has been identified in specific tissues of marine organisms such as trout, salmon & shrimp. All of the three macular carotenoids in Macu Save are of the highest quality grade harvested from the marigold plant, Tagetes Erecta.