Test Detail
Understanding the Test
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Content created by
Written by
Dr. Shreya Gupta
BDS, MDS - Oral and Maxillofacial Pathology
Reviewed by
Dr. Ashish Ranjan
MBBS, MD (Pharmacology)
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Selenium

(Se)
You need to provide
Blood
This test is for
Male, Female
Test Preparation
  1. Avoid eating seafood before 48 hours of sample collection.
  2. Most test for trace metals are affected by high concentrations of gadolinium, iodine, and barium. If gadolinium, iodine, or barium-containing contrast media has been given for some imaging tests, then the blood sample should not be collected for at least 96 hours (4 days).

Understanding Selenium


What is Selenium?

Selenium test measures its amount in the blood. Selenium is an essential mineral which acts as an antioxidant for the body. It has shown a role in metabolism, the immune system & thyroid gland and is also advocated to have anticancer properties. Signs of selenium deficiency include fatigue, muscle weakness, muscle wasting, and heart problems. Selenium deficiency is also related to infertility in males. This test also helps to check the selenium levels in the body in patients who are on replacement therapy. Symptoms of selenium toxicity include nausea, gastrointestinal problems, garlic breath, neurological problems, pulmonary edema, and liver cirrhosis. Selenium is present in many foods esp. seafood, lean meat, pasta, rice, eggs, oatmeal & baked beans.

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