What is vitamin A?
Vitamin A is an essential fat-soluble vitamin that contributes to normal vision, immune function and the maintenance of healthy skin and mucous membranes.
What is the difference between retinol and beta-carotene?
Retinol is the active form of vitamin A found in animal-derived foods and supplements. Beta-carotene is a naturally occurring plant pigment found in colourful fruits and vegetables that the body can convert into vitamin A as required.
What foods naturally contain vitamin A?
Preformed vitamin A is naturally found in foods such as liver, eggs and dairy products. Beta-carotene is naturally abundant in carrots, sweet potatoes, spinach, kale, pumpkin and other orange or dark green vegetables.
Why is vitamin A important for vision?
Vitamin A contributes to the maintenance of normal vision and plays an essential role in the normal function of the retina, particularly in low-light conditions.
Can you get too much vitamin A?
Yes. While vitamin A is essential, excessive intakes of preformed vitamin A over long periods are not recommended. It is important to follow the recommended serving size and seek professional advice where appropriate.