7 Science-Based Health Benefits of Selenium

7 Science-Based Health Benefits of Selenium



Antioxidants help keep free radicals in check and protect cells from damage caused by oxidative stress. Oxidative stress has been linked to chronic conditions like heart disease, Alzheimer's, and cancer.

Reduce your risk of certain cancers

Selenium may help lower the risk of certain cancers by reducing DNA damage and oxidative stress, boosting your immune system, and destroying cancer cells.

Heart Disease

Low selenium levels have been linked to an increased risk of heart disease.

Prevent mental decline

Oxidative stress is believed to be involved in the onset and progression of neurological diseases like Parkinson's, multiple sclerosis, and Alzheimer's. Selenium may improve memory in patients with Alzheimer's disease.

Thyroid Health

Selenium is important for the proper functioning of your thyroid gland, which helps regulate your metabolism and controls growth and development.

Immune System

Studies have shown that increased blood levels of selenium are associated with enhanced immune response, while a deficiency may harm immune cell function and lead to a slower immune response.


Asthma is a chronic disease that affects the airways that carry air in and out of the lungs. Selenium may help reduce inflammation and thus reduce asthma-related symptoms.

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