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Selenium

minerals · Thyroid · antioxidant · immune · cancer prevention

Strong evidence

Selenium is a trace mineral essential for thyroid hormone metabolism and antioxidant defense via glutathione peroxidase. Narrow therapeutic window — don't exceed 400mcg daily.

⏱️ Timing & dosage for Selenium

Best time to take

Morning with food

Suggested dose

100–200mcg daily; do not exceed 400mcg

✅ Benefits of Selenium

  • Thyroid hormone conversion (T4 to T3)
  • Antioxidant via glutathione peroxidase
  • Immune function
  • Sperm quality and male fertility
  • Cancer risk reduction

⚠️ Side effects & risks

  • Toxic above 400mcg/day — causes selenosis (hair loss, nail brittleness, nerve damage)
  • Garlic breath odor at higher doses

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⚕️ Medical Disclaimer: Nothing on Stack Ritual constitutes medical advice. The information provided is for educational purposes only. Always consult your doctor or a qualified healthcare provider before beginning, changing, or stopping any vitamin, supplement, or wellness regimen.