Deficiency

A deficiency is something that fails to meet a particular need or requirement, usually due to a lack or shortage, functional quality or availability.

There are many health conditions caused by a deficiency of essential substances such as vitamins, minerals, hormones and proteins.

Vitamins

• Vitamin A (Retinol) Deficiency
• Vitamin B1 (Thiamine) Deficiency
• Vitamin B3 (Niacin) Deficiency
• Vitamin B5 (Pantothenic Acid) Deficiency
• Vitamin B6 (Pyridoxine) Deficiency
• Vitamin B7 (Biotin) Deficiency
• Vitamin C (Ascorbic Acid) Deficiency
• Vitamin D1-D4 (Lamisterol, Ergocalciferol, Calciferol, Dihydrotachysterol, 7-dehydrositosterol) Deficiency
• Vitamin E (Tocopherol) Deficiency
• Vitamin H Deficiency
• Vitamin K (Naphthoquinone) Deficiency
• Vitamin PP Deficiency

Minerals

• Acquired Copper Deficiency
• Hereditary Copper Deficiency (Menkes' Syndrome)
• Molybdenum Deficiency
• Potassium Deficiency (Hypokalemia)
• Salt Deficiency
• Sodium Deficiency (Hyponatremia)
• Zinc Deficiency

Hormones

• Growth Hormone Deficiency (GHD)
• Testosterone Deficiency (Hypogonadism)

Proteins

• Factor XII (Hageman factor) Deficiency
• Protein C Deficiency
• Protein S Deficiency

Other types of deficiency

• Acquired Immune Deficiency Syndrome (AIDS)

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http://www.deficiency.org.uk/index.php
Last updated: Thursday, 27th April 2006
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