Selenium

What is selenium? It is an essential trace mineral with powerful antioxidant properties. 

How does selenium function in the body?

• Potent antioxidant, protecting cells from oxidative damage
• Helps to prevent hypothyroidism
• Enhances immune function and defense against viruses 
• May help to protect against mental decline

Symptoms of Too Little Selenium:

• Fatigue
• Weakened immunity
• Hair loss
• Infertility
• Hypothyroidism

Groups at Risk of Deficiency:

• Dialysis patients
• Long-term IV nutrition
• Selenium poor soil (areas of China and Europe)

Symptoms of Too Much Selenium (supplements or high intake of Brazil nuts):

• Garlic breath
• Hair/nail brittleness/skin rash
• Nausea/diarrhea
• Irritability
• Nervous system issues

Just Right (adults):

Recommended 55 micrograms/day

Medication Interactions

(consult your doctor)

• Cisplatin (chemotherapy)

Food Sources:

Animal

• Seafood
• Poultry
• Dairy Products 

Plants

• Brazil Nuts
• Whole Grains
• Sunflower Seeds
• Mushrooms

Cooking tip:

A single Brazil nut per day meets the daily need for selenium.

Reference: Selenium – Health Professional Fact Sheet