Selenium in Multivitamins

Informational only: This page is not medical advice. Consult a healthcare provider before starting supplements.

Selenium is a trace mineral that is essential for antioxidant defense, thyroid hormone metabolism, and immune function. It's a component of glutathione peroxidase, one of the body's most important antioxidant enzymes.

Benefits

  • Essential component of antioxidant enzymes (glutathione peroxidase)
  • Required for thyroid hormone production
  • Supports immune system function
  • May reduce risk of certain cancers
  • Supports male fertility

Recommended Daily Value

55mcg for adults; upper limit 400mcg

Food Sources

  • Brazil nuts (1-2 per day provides RDA)
  • Seafood
  • Organ meats
  • Chicken and turkey
  • Eggs

Scientific Reference

Rayman MP. The importance of selenium to human health. Lancet. 2000;356:233-241.

Multivitamins Containing Selenium

27.5mcg
$55
capsule

The most evidence-based daily multivitamin on the market. Every one of its 26 ingredients is backed by human RCTs at the exact dose used in clinical trials — methylated B vitamins, glycinate-form minerals, 200mg hyaluronic acid for skin health, TMG for cognition and exercise, and microencapsulated carotenoids for eye protection. It deliberately excludes Vitamin A and E based on safety research, and consolidates 6–8 separate supplements into one formula.

200mcg
$45.99
capsule

The gold standard for men's whole-food multivitamins — raw, food-derived nutrients with live probiotics and enzymes.

100mcg
$39
capsule

Best-in-class for bioavailability — Thorne uses superior active forms of every nutrient with no unnecessary additives.