As we age, the immune system naturally weakens, making seniors more susceptible to infections and requiring targeted nutritional support. Selenium emerges as one of the most essential trace elements for enhancing defenses and preventing diseases.
Recent studies have pinpointed key factors in aging, including the progressive decline of immune function known as "immunosenescence." Research links this deterioration to higher mortality rates among older adults, with even mild infections contributing significantly.
Vaccines also lose effectiveness with age. For instance, studies on the influenza vaccine show diminished immune responses in seniors, leading to breakthrough infections despite vaccination.
To combat immune decline and gain better protection against pathogens, experts recommend increasing selenium intake. This powerhouse trace element offers proven benefits throughout the body.
Discovered by chemists Jöns Jacob Berzélius and Johan Gottlieb Gahn, selenium plays a critical role in curbing viral pathogenicity. Its antioxidant properties target the viral genome, reducing virulence and aiding immune defense.
Working alongside vitamin E, selenium neutralizes free radicals that drive oxidative stress—the root of premature aging, cataracts, cardiovascular disease, and cancer.
Selenium also supports the central nervous system by repairing neuronal damage linked to Alzheimer's through oxidative stress reduction. As a detoxifier, it eliminates accumulated heavy metals like lead, mercury, and arsenic.
Adults need 55 micrograms of selenium daily. A single Brazil nut meets this requirement, delivering selenium plus abundant vitamin E from Bertholletia excelsa.
Prioritize selenium-rich foods like oysters, tuna, chicken or turkey offal, clams, herring, cheeses, raisins, garlic, mushrooms, and red peppers. Egg yolks and cereals are additional sources.
For those struggling with dietary changes, pharmacy supplements are an option—but heed contraindications. High doses can be toxic; stick to a maximum of 400 μg daily. Consult your pharmacist for personalized dosing advice.
