Vitamin S – (kislotai askarbin) dar jarayonhoi oksidshaviyu barqarorshavii organizm ahamiyati kalon dorad. Norasogii vitamini S sababi bemorii zangila meshavad. Az had ziyod istemol kardani vitamini S baroi organizm zararovar Buda sababi baze bemoriho megardad. Manbai vitamini S asosan gujummeva, meva va sabzavot ast.
Vitamin S dar aflesun, limu, angat bisyor Buda dar mahsuloti chorvo kam ast. Bahoron vitamin S dar piyozi kabud va baze gizohoi konservi bisyor ast.