Composition of a dietary supplement and/or a nutritional additive for food, a unitary dosage form of said composition, and their use for improvement of the quality of visual performance including contrast sensitivity in persons in need of such an improvement, including persons suffering from at least one eye disease, particularly vitreous floaters

Abstract

Provided are a composition of a dietary supplement and a nutritional additive for food, a unitary dosage form of said composition, and their use for the improvement of the quality of visual performance including contrast sensitivity. An illustrative composition of the present disclosure includes as active substances L-lysine, vitamin C, zinc, grape extract and bitter orange extract in therapeutically effective quantities, and optionally at least one excipient. In some embodiments, the percentages of the individual active substances relative to the sum of the percentages of all active substances are about 50% by weight of L-lysine, about 15% by weight of vitamin C, about 2% by weight of zinc, about 10% by weight of the grape extract and about 23% by weight of the bitter orange extract, with all percentages of the individual active substances adding up to 100% by weight of all active substances.

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