Contributes to:

• maintain 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 energy-yielding metabolism
• normal functioning of the nervous system
• normal psychological function
• the normal function of the immune system
• the protection of cells from oxidative stress
• the reduction of tiredness and fatigue
• the regeneration of the reduced form of vitamin E

Vitamin C increases iron absorption.

Contributes to:

• normal energy-yielding metabolism
• normal functioning of the nervous system
• normal psychological function
• the maintenance of normal mucous membranes
• the maintenance of normal skin
• the reduction of tiredness and fatigue

Contributes to:

• normal energy-yielding metabolism
• normal synthesis and metabolism of steroid hormones, vitamin D and some neurotransmitters
• the reduction of tiredness and fatigue
• normal mental performance

Contributes to:

• normal red blood cell formation
• normal functioning of the nervous system
• the reduction of tiredness and fatigue
• normal cysteine synthesis
• normal energy-yielding metabolism
• normal homocysteine metabolism
• normal protein and glycogen metabolism
• normal psychological function
• the normal function of the immune system
• the regulation of hormonal activity

Contributes to:

• normal energy-yielding metabolism
• normal functioning of the nervous system
• normal psychological function
• the normal function of the heart

Contributes to:

• normal energy-yielding metabolism
• normal functioning of the nervous system
• normal homocysteine metabolism
• normal psychological function
• normal red blood cell formation
• the normal function of the immune system
• the reduction of tiredness and fatigue

Has a role in the process of cell division.

Contributes to:

• normal energy-yielding metabolism
• normal functioning of the nervous system
• normal macronutrient metabolism
• normal psychological function
• the maintenance of normal hair
• the maintenance of normal mucous membranes
• the maintenance of normal skin