Final answer:
The recommended daily intake of selenium is around 55 micrograms per day. Selenium plays major roles in antioxidant defense, thyroid function, and DNA synthesis and repair. Foods rich in selenium include Brazil nuts, fish, poultry, eggs, and brown rice.
Step-by-step explanation:
Recommended Daily Intake of Selenium
The recommended daily intake of selenium varies depending on age and gender. For adults, the recommended intake is around 55 micrograms per day.
Major Roles of Selenium in the Body
Selenium plays a crucial role in various bodily functions, including:
- Antioxidant Defense: Selenium is an essential component of antioxidant enzymes, helping to neutralize harmful free radicals.
- Thyroid Function: Selenium is necessary for the production of thyroid hormones, which regulate metabolism.
- DNA Synthesis and Repair: Selenium aids in the synthesis and repair of DNA, promoting healthy cell growth and division.
Foods Rich in Selenium
Some examples of foods that are rich sources of selenium include:
- Brazil nuts
- Fish (such as tuna, halibut, and sardines)
- Poultry (such as chicken and turkey)
- Eggs
- Brown rice
Learn more about Selenium in the body