Best Selenium Supplement

Top 10 Selenium Supplements

Selenium Rankings | Highest Rated Brands

Onlinestrength analyzed 10 best-selling Selenium supplements in the United States for selenium content and heavy metal (arsenic, cadmium, lead, mercury) contamination.

Supplements that failed to follow FDA regulations were were penalized accordingly.

Selenium Summary

All Selenium Benefits/Effects/Facts & Information

Selenium is a trace mineral found in certain foods and is used by the body to produce glutathione peroxidase. Glutathione peroxidase plays a major role in the body’s antioxidant and immune system defense.

Selenium increases antioxidant capabilities and improves quality of blood flow, therefore boosting the body’s resistance against free radicals and diseases. Selenium is touted to help reduce inflammation and lower free radical damage.

Selenium Benefits:

  • Antioxidant & helps to fight oxidative stress
  • Reduces risk of cancer – deficiencies have been shown to increase risk of cancer
  • Boosts overall immune system health – selenium is required for a well-functioning immune system
  • Improves blood flow
  • Regulates thyroid function
  • May help improve fertility in males
  • May be helpful for diabetic neuropathy
  • May be helpful in treating acne, anxiety, and fibromyalgia, but more evidence is still required to prove these claims

Things to Know About Selenium

Selenium Is Also Known As

Selenite, Selenomethionine, Selenized Yeast, Selenium Dioxide

Things to note about Selenium

  • The daily Upper Tolerable Intake Level (UL) for selenium, is 400 mcg for adults.

How To Take Selenium

Recommended Selenium dosage, active amounts, other details

The US Institute of Medicine issued a guideline for the maximum total daily intake. For selenium, the total daily recommend dosage has been set as follows:

  • Infants
    • 0-6 months: 45 mcg
    • 7-12 months: 60 mcg
  • Children
    • 1-3 years: 90 mcg
    • 4-8 years: 150 mcg
    • 9-13 years: 280 mcg
  • Males and Females
    • 14 years and older: 400 mcg
  • Pregnant or Nursing Women: 400 mcg

It should be noted that most healthy adults already receive on average 100 mcg of selenium through diet alone so its important to take note of this when deciding on how much more selenium you should supplement.