The human immune system is challenged daily by various viruses, diseases, fatigue, stress, lack of sleep, and poor nutrition. Vitamin C contributes to:

• the maintenance of the normal function of the immune system during and after intense physical exercise
• normal collagen formation for the normal function of blood vessels
• normal collagen formation for the normal function of bones
• normal collagen formation for the normal function of cartilage
• normal collagen formation for the normal function of gums
• normal collagen formation for the normal function of skin
• normal collagen formation for the normal function of teeth
• normal function of metabolic processes aimed at energy production
• normal function of the nervous system
• normal psychological function
• protection of cells from oxidative stress
• reduction of tiredness and fatigue
• regeneration of the reduced form of vitamin E
• iron absorption