Vitamin A

Vitamin A is essential for eye health and optimal vision. Other important functions of Vitamin A are in bone growth, tissue healing, immune function and mucous membrane health.

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Vitamin A is a fat soluble vitamin and is not synthesised by the body, so must be obtained from dietary sources. Retinol is the preformed vitamin A in animal foods, while plant foods provide the provitamin A carotenoids, the precursors that are converted in the body to vitamin A. Vitamin A Deficiency might cause reduced night vision and ultimately blindness.

Vitamin A Benefits

Vitamin A helps maintain healthy mucous membranes, the linings of the mouth, digestive tract, respiratory system and genitourinary tract. It reduces susceptibility to infectious diseases and allergic or inflammatory conditions affecting the mucous membranes.

The vitamin is vital for good immune function and can beneficially treat many types of skin disorder.

Vitamin A Side Effects and Contraindications

During pregnancy the betacarotene precursor to vitamin A is the safe form of supplement. High doses over a long term can be toxic.

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Vitamin A

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