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Malabsorption of micronutrients

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Malabsorption of fat soluble vitamins develops more easily than that of water soluble vitamins as they share the same fatty acid transport system as dietary fatty acids. Vitamins with marginal intakes e.g. vitamin D and K, are particularly vulnerable. The effects of individual deficiencies are discussed in detail elsewhere.

Common symptoms include:

glossitis, angular stomatitis, pallor - vitamin B12, folate, and iron deficiency
hyperkeratosis, night blindness - vitamin A deficiency
bruising, bleeding - vitamin K deficiency
bone pain - vitamin D deficiency
dermatitis, pellagra - niacin deficiency
psychological disturbance - thiamine deficiency
paraesthesia, tetany - calcium deficiency
acrodermatitis, poor wound healing - zinc deficiency
muscle weakness - calcium, magnesium deficiency

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