Key Facts About Selenium

Selenium is a trace mineral, which means that the body only needs a small amount of it

Key Facts About Selenium

Selenium Latest News

Medical experts have linked cases of sudden hair loss affecting 279 people in Maharashtra’s Buldhana district to high selenium content found in wheat supplied through local ration shops from Punjab and Haryana.

About Selenium

  • It is a trace mineral, which means that the body only needs a small amount of it. 
  • It is a mineral found in the soil and naturally appears in water and some foods.
  • Soil and ground water contain inorganic forms of selenium that plants accumulate and convert to organic forms, mostly selenomethionine and selenocysteine and their methylated derivatives.
  • Selenium is a constituent of 25 selenoproteins, including thioredoxin reductases, glutathione peroxidases, and selenoprotein P.
  • Human bodycan’t produce Selenium on its own. You have to get it through diet.
  • The Recommended Dietary Allowance (RDA) of Selenium for adult men and women 19+ years of age is 55 micrograms daily. Women who are pregnant and lactating need about 60 and 70 micrograms daily, respectively.
  • Food Sources of Selenium: Protein foods from animals are generally good sources of selenium. Seafood, organ meats, and Brazil nuts are the foods highest in selenium
  • Health benefits: Selenoproteins play critical roles in thyroid hormone metabolism, DNA synthesis, reproduction, and protection from oxidative damage and infection.

Selenium FAQs

Q1: What is the main function of selenium?

Ans: It help to make DNA and protect against cell damage and infections;

Q2: Where is selenium found naturally?

Ans: It occurs naturally in Earth’s crust, its presence in air, water, and soil

Source: TH

Latest UPSC Exam 2025 Updates

Last updated on June, 2025

UPSC Notification 2025 was released on 22nd January 2025.

UPSC Prelims Result 2025 is out now for the CSE held on 25 May 2025.

UPSC Prelims Question Paper 2025 and Unofficial Prelims Answer Key 2025  are available now.

UPSC Calendar 2026 is released on 15th May, 2025.

→ The UPSC Vacancy 2025 were released 1129, out of which 979 were for UPSC CSE and remaining 150 are for UPSC IFoS.

UPSC Mains 2025 will be conducted on 22nd August 2025.

UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.

→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.

UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!

UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.

→ Also check Best IAS Coaching in Delhi

Vajiram Editor
Vajiram Editor
UPSC GS Course 2026
UPSC GS Course 2026
₹1,75,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
UPSC Prelims Test Series
UPSC Prelims Test Series
₹6000
Enroll Now
UPSC Mains Test Series
UPSC Mains Test Series
₹16000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹85000
Enroll Now
Enquire Now