Typical dose

100-200 mcg daily

Oral Oral safety: low

About this supplement

Sodium selenite and sodium selenate are inorganic forms of selenium, a trace mineral essential for various bodily functions. Selenium plays a crucial role in antioxidant defense, thyroid hormone metabolism, and immune function. These compounds are often used as dietary supplements to prevent selenium deficiency and support overall health.

How much to take

Typical amount
100-200 mcg daily
Suggested range
50-400 mcg daily

Potential benefits

Benefits linked to this supplement form:

Things to watch for

Possible side effects linked to this form:

Health goals

Needs and goals this form may help with:

Other forms of Selenium

Compare absorption and active amounts with sibling forms:

Technical details â–¼

Chemical ID (CAS)

10102-18-8 (for sodium selenite), 7782-99-2 (for sodium selenate)

Formula

Na2SeO3 (for sodium selenite), Na2SeO4 (for sodium selenate)

Physical properties

Sodium selenite is a white crystalline powder, while sodium selenate is a white or colorless crystalline solid. Both are soluble in water.

How it’s made

Sodium selenite and sodium selenate are produced through the reaction of selenium with sodium compounds, typically in an aqueous solution.