I recall a hospital doctor visiting a bed patient who took a quick double-take. Having looked at the patient’s details on the bed’s headboard, he was shocked to see that the patient looked 20 years younger than the stated age.

On another occasion, folk I met were astonished when I told them my age. Aghast, they had thought me twenty years younger. This was only one of several similar incidents in my life.

Selenium

The Wonder anti-ageing nutrient available in health shops or natural food is Selenium.

Selenium is beneficial for human health because it is an essential trace mineral with important antioxidant and immune functions.

Research suggests it may support healthy ageing, but it does not definitively slow ageing on its own.

Its benefits depend heavily on getting adequate, not excessive, intake.

What selenium does for human health

Selenium is required in small amounts and plays several key roles:

Powerful antioxidant activity. It helps neutralize free radicals, reducing oxidative stress, a major contributor to cell damage and ageing.

Strengthen Immunity

Supports immune function. Adequate selenium is linked to stronger immunity.

Essential for thyroid function. It helps regulate metabolism and hormone production.

May reduce inflammation. Chronic inflammation is associated with ageing and age‑related diseases.

These functions make selenium important for overall health and disease prevention.

Does selenium slow ageing?

Current research suggests selenium may contribute to healthier ageing. However, it is not a magic anti‑ageing supplement. Here’s what studies show:

Evidence supporting anti‑ageing effects

Selenium acts as a critical antioxidant, protecting DNA, proteins, and cells from oxidative damage, one of the main drivers of ageing.

Adequate selenium intake is associated with better immune function and may help counteract age‑related immune decline.

Studies show selenium may help protect against cardiovascular disease, cancer, and dementia, all of which are age‑related conditions.

A Swedish study found that selenium + CoQ10 supplementation improved heart function, quality of life, and life expectancy in older adults with low selenium levels.

Benefits are strongest in selenium-deficient people.

Too much selenium can be harmful (hair loss, nail brittleness, gastrointestinal issues).

Selenium alone cannot ‘stop’ ageing. It supports processes that help the body age more healthily.

How to get selenium safely

Most people can meet their needs through diet: Brazil nuts (very high—1–2 nuts may meet daily needs). Fish and seafood. Eggs. Whole grains. Meat and poultry

Bottom line

Yes, selenium is beneficial for human health, and research suggests it may support healthy ageing by reducing oxidative stress, improving immunity, and protecting against age‑related diseases. TELL READERS WHAT YOU THINK

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