COMPOSITION AND METHOD USING AT LEAST ONE GLYCINE OR DERIVATIVE THEREOF, AT LEAST ONE N-ACETYLCYSTEINE OR DERIVATIVE THEREOF, AND AT LEAST ONE NICOTINAMIDE RIBOSIDE OR NAD+ PRECURSOR

According to the present invention, a composition can treat or prevent at least one physical state selected from the group consisting of oxidative stress, a condition associated with oxidative stress, a reduced level of glutathione, and a condition associated with a reduced level of glutathione. The composition contains an effective amount of a combination of at least one glycine or functional derivative thereof, at least one N-acetylcysteine or functional derivative thereof, and at least one nicotinamide riboside or NAD+ precursor. The composition can be orally administered, for example as one or more of a food product, a food for special medical purposes (FSMP), a nutritional supplement, a ready to drink formula, a dairy-based drink, a low-volume liquid supplement, powder formats for liquid reconstitution or a meal replacement beverage. 本发明提供了可治疗或预防选自以下项的至少一种身体状况的组合物：氧化应激、与氧化应激相关联的病症、谷胱甘肽水平降低以及与谷胱甘肽水平降低相关联的病症。所述组合物含有有效量的至少一种甘氨酸或其官能衍生物、至少一种N-乙酰半胱氨酸或其官能衍生物和至少一种烟酰胺核糖核苷或NAD+前体的组合。所述组合物可以口服施用，例如作为食物产品、用于特殊医疗用途的食