Selenium (Blood Test)

A Selenium blood test is a laboratory analysis that measures the level of selenium in the blood. Selenium is a mineral that is essential for the proper functioning of the body. It acts as an antioxidant and plays a key role in protecting cells from damage caused by free radicals. Selenium is also important for thyroid function, immune system support, and overall health.

A Selenium blood test is typically ordered by healthcare providers to assess selenium levels in the body. Abnormal levels of selenium in the blood may indicate a deficiency or excess of the mineral, which can have various health implications. A deficiency in selenium can lead to symptoms such as fatigue, muscle weakness, and decreased immune function, while excess selenium intake can be toxic and cause symptoms like hair loss, nausea, and gastrointestinal issues.

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