At a Glance
Why Get Tested?
To measure the amount of selenium in the blood (serum/plasma) in order to identify/diagnose deficiency/toxicity or to monitor the response to supplementation
When to Get Tested?
When you have symptoms that may suggest selenium deficiency or toxicity. Following guidelines for the screening of malnutrition or if at risk of malnutrition.
A blood sample taken from a vein in your arm.
Test Preparation Needed?