Selenium

Functions

  • Acts as an antioxidant
  • Helps in maintaining tissue elasticity and delays ageing
  • Protects against cardiovascular diseases
  • Prevents cancer
  • Stimulates the immune system
  • Aids in growth & development
  • Improves male fertility
  • Vital for normal sexual development

Sources

  • Wheat germ
  • Brewers yeast
  • Liver
  • Butter
  • Fish
  • Shellfish (lobster, shrimp, clams, crab, oyster)
  • Lamb
  • Egg yolks
  • Whole grains
  • Brown rice
  • Barley
  • Oats
  • Brazil nuts
  • Lentils

Deficiency

  • Rare in humans

Toxicity

  • No clearly defined selenium toxicity.
  • Toxicity may be found in people living in high selenium areas.
  • Symptoms :

o    Loss of hair, nails & teeth

o    Skin inflammation

o    Nausea

o    Fatigue

o    Garlic odor

o    Blackened fingernails

o    Metallic taste

Recommended dietary allowances