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Vitamin A is a nutrient the body uses to support growth, vision and cell function. It's also called retinol or retinoic acid. Vitamin A has antioxidant properties. Antioxidants are substances that might protect cells against the effects of free radicals. Free radicals are molecules made from reactions in the body or when the body is exposed to tobacco smoke or radiation. Free radicals might play a role in heart disease, cancer and other conditions.
Vitamin A is a nutrient the body uses to support growth, vision and cell function. It's also called retinol or retinoic acid. Vitamin A has antioxidant properties. Antioxidants are substances that might protect cells against the effects of free radicals. Free radicals are molecules made from reactions in the body or when the body is exposed to tobacco smoke or radiation. Free radicals might play a role in heart disease, cancer and other conditions.