Vitamin C Forum

Specifically, vitamin A supports gene expression related to development, while vitamin C neutralizes harmful radicals through antioxidant pathways. Vitamin E protects cell membranes. Zinc and selenium are essential components of antioxidant enzymes that protect cells from antioxidant damage.

Antioxidant consumption can be assessed through the Composite Dietary Antioxidant Index (CDAI), which measures dietary antioxidants, including carotene, selenium, zinc, and vitamins A, C, and E.

Antioxidant intake is adjusted by the total intake of energy, accounting for diverse diets and caloric requirements to allow for comparisons across populations.