Vitamin A

Vitamin A

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Caption: Vitamin A. Molecular models of vitamin A (retinol). Atoms are represented as sticks and are colour-coded, carbon (black), hydrogen (white) and oxygen (red). Vitamin A plays an important role in maintaining healthy skin and mucous membranes, as well as in growth, reproduction and night vision. It can be made in the body from the precursor beta carotene found in vegetables and fruit. It is also found in liver and dairy products. Deficiencies in vitamin A can lead to slow growth and night blindness. Excessive doses can be toxic, causing aches and pains and in some extreme cases liver failure and death.

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Keywords: biochemical, biochemistry, chemical, chemistry, compound, compounds, duo, model, models, molecular, molecule, molecules, pair, retinol, structure, two, vitamin, vitamin a

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