Selenium
Written By Dr. Anuj Saini
Reviewed By Dr. Rajeev SharmaLast updated 25 Nov 2025 | 09:34 AM (UTC)
Selenium Uses
Selenium is used in the treatment of nutritional deficiencies.
How Selenium works
Selenium provides essential nutrients
Common side effects of Selenium
Nervous system disorder, Fatigue, Garlic breath odor, Irritation, Rash, Hair loss, Nail disorder
Want to Know More
Read Our Editorial PolicyMedicine brands for Selenium
Expert advice for Selenium
Do not take this drug if you are allergic to selenium. Always consult your doctor before using selenium supplementation:
- If you have chronic kidney disease (or if you are on dialysis).
- If you have underactive thyroid.
- If you have skin cancer.
Do not take this medicine without consulting a doctor if you are pregnant or breast feeding. Using selenium long-term or at high doses may increase your risk of developing diabetes or other serious medical conditions. Ask your doctor about your specific risk.
Frequently asked questions for Selenium
There are no known interactions of selenium with any thyroid preparations such as synthyroid/ levothyroxine/ armour thyroid/ thyroxin. Selenium which is a part of selenoprotein (iodothyronine deiodinases) is essential for the conversion of thyroxine (T4) to the biologically active thyroid hormone triiodothyronine (T3) thereby it is important in thyroid hormone functioning
There are no known interactions of selenium with minerals such as calcium
Yes. Selenium (gluthathione peroxidase) has been reported to support the activity of vitamin E in limiting the oxidation of lipids (fats). Selenium also interacts with zinc (it affects cellular redox status). Selenium can, however, be taken with vitamins/ zinc; the combinations are available as a part of multivitamin preparation
There are no known interactions of selenium with statins. Always follow the advice of the doctor regarding its use
There are no known interactions of selenium with warfarin. Always follow the advice of the doctor regarding its use.