Vitamin C can be used:

• in order to contribute to maintain the normal function of the immune system,
• in order to contribute to normal collagen formation-for the normal function of blood vessels, cartilage and bones,
• to protect the cells from oxidative stress- cause by, e.g.:

-stress,

-stimulants,

-intense, regular physical effort,

-improper diet,

-environmental pollution (e.g. pesticides, heavy metals),

-excessive exposure to sunlight,

-age. ^21-23

• in dentistry- vitamin C participates inthe  formation of collagen present in dentine, gums and bones, supporting their proper functioning, hence it can play a significant  role in e.g. implantology, orthognathic surgery, ^{18, 24, 25}
• as the vitamin of beauty- vitamin C helps in the normal formation of collagen, which is the main building component of the dermis,¹⁶
• to increase iron absorption.