Cyanidin 3-glucoside (C3G) which belongs to Anthocyanin is more contained in Black soybean seed coats than in wine or blueberry. The content accounts for around 90% of total amount of Anthocyanin in Black soybean seed coats. C3G is known to have the most powerful antioxidant effect of all kinds of Anthocyanin.
C3G has a structure as shown right.
The failing vision such as myopia or presbyopia is caused mainly by deterioration of function of focus adjustment due to ingravescence of musculus ciliaris or loss of lens flexibility.
The improvement in blood flow or supply of nutrition will activate musculus ciliaris or lens which needs a lot of oxygen and nutrition, and it will lead to restoration of eyesight.
C3G acts as a powerful antioxidant, improves blood flow and enhances musculus ciliaris function. Thus, it has a great effect on not only visual recovery but also floaters. In addition, C3G is the most effective among all kinds of Anthocyanin because it can reach the eyes through the oral route.There is no other ingredient like this.