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Frequently Asked Questions

What are the signs of nutrient deficiencies caused by a bad diet?


It is not simple to answer because almost every imaginable symptom is possible depending on which nutrient is missing in the diet. Different nutrient deficiencies can affect e.g. the general appearance, the skin, the muscle tissue, the hair and nails, the eyes or even the mood or activity. But dietary deficiencies rarely occur in isolation; if you have a deficiency in one nutrient, you are likely to be deficient in another. A diet low in protein for example, is also often low in iron, zinc, thiamine and vitamin B6, because the main protein sources contain also these nutrients. Nutrient deficiencies can lead to severe health problems. Some well known nutrient deficiencies are: oedema (protein deficiency), rickets (vitamin D deficiency), scurvy (vitamin C deficiency), iron deficiency anemia and Xeropthalmia (vitamin A deficiency). If you have health related problems you should ask your doctor for advice.


The European Food Information Council (EUFIC) is a non-profit organisation which communicates science-based information on nutrition and health, food safety and quality, to help consumers to be better informed when choosing a well-balanced, safe and healthful diet.

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This site was last updated 19/05/2016
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