Answer
People relying on intravenous nutrition may not receive enough selenium through the gut, so sodium selenite can prevent deficiency.
Sources for this answer
- SELENIUM 10 micrograms/ml concentrate for solution for infusion — Current selected SmPCemc · Summary of Product Characteristics
- PubMedPubMed · Reputable Web
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.