Directory Sites

  • Vitamin A Deficiency

    Overview of this vitamin, primary and secondary deficiency, symptoms, signs, diagnoses, and treatment.

    www.merck.com

  • Reference Guide for Vitamins

    The importance and deficiency symptoms of a specific list of vitamins.

    www.realtime.net

  • Iron Deficiency and Toxicity

    The Merck Manual takes a look deficiency and the symptoms of toxicity.

    www.merck.com

  • Iodine

    A look at this mineral, why it is needed, how much is needed and where it is found. Symptoms and results of deficiency and toxicity are discussed.

    www.merck.com

  • Fluorine

    Provides information about where this form of floride is stored in the body, sources, and problems associated with excess or insufficient intake.

    www.merck.com

  • Zinc

    The Merck Manual takes a look at this mineral and signs and symptoms of deficiency and toxicity.

    www.merck.com

  • Chromium

    A look at this essential trace mineral and its deficiency and toxicity.

    www.merck.com

  • Selenium

    A look at the intake in different parts of the world and its deficiencies and toxicity by the Merck Manual.

    www.merck.com

  • Manganese

    A look at the intake of this mineral and how it compares with each person. A case study about its deficiency.

    www.merck.com

  • Molybdenum

    A discussion about the deficiency and toxicity of this mineral.

    www.merck.com

  • Vitamin A Toxicity

    Symptoms, signs, diagnosis and treatment are discussed by The Merck Manual.

    www.merck.com

  • Vitamin D Deficiency and Dependency

    The signs, symptoms, laboratory findings, diagnosis and treatment.

    www.merck.com

  • Vitamin D Toxicity

    Discussion on this vitamin and its first symptoms of toxicity and the treatment.

    www.merck.com

  • Vitamin E Deficiency

    A discussion about this vitamin and the organs which can be affected by deficiency, signs and symptoms, laboratory findings, diagnosis and treatment.

    www.merck.com

  • Vitamin E Toxicity

    Provides information of possible side effects and how large doses impact vitamin K function.

    www.merck.com

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