Selenium

Selenium is a trace element essential in small amounts for the body, playing an important role in the antioxidant defense of cells.

Role of selenium in the body

Selenium contributes to the normal functioning of the thyroid gland, the normal functioning of the immune system, the protection of cells from oxidative stress, normal spermatogenesis, and the maintenance of normal hair and nails. These are the approved health claims for selenium based on Regulation (EC) 1924/2006. Selenium does not have an approved claim related to cancer, cardiovascular diseases, or any infection, nor for the management of viral diseases.

Sources of selenium in the diet

Brazil nuts, whole grain cereals, seafood, shellfish, red meat, and offal are good dietary sources of selenium.

When might you need a supplement

Groups at increased risk of low selenium intake include people on a vegetarian diet, pregnant women, breastfeeding mothers, and smokers. Consult your doctor or pharmacist for the appropriate dosage in your case.

Dosage caution

Selenium has a narrow safe intake range. The maximum safe daily intake level is approximately 200mcg. Excessive intake can be toxic, so always follow the recommended dosage on the package.

Forms of selenium supplements

Available in capsules, tablets, and as an ingredient in multivitamin or multimineral formulations.

Frequently Asked Questions

Do I need a selenium supplement?

It depends on your diet. People on a vegetarian diet or with limited seafood intake may need to be careful. Consult a doctor or dietitian.

Which foods have the most selenium?

Brazil nuts have an extremely high selenium content, even in small amounts.

How much selenium is safe daily?

The maximum safe level is approximately 200mcg per day. Follow the recommended dosage and consult a pharmacist.

Is selenium related to the thyroid?

Yes, selenium contributes to the normal functioning of the thyroid. People with thyroid conditions should consult their doctor before taking it.

Can excessive selenium intake be harmful?

Yes, selenium has a narrow safe intake range and excessive amounts can be toxic. Always follow the recommended dosage.

* Health claims approved under Regulation (EC) 1924/2006.