Selenium is an essential trace mineral that supports the immune system Ingredients Brewers Yeast (from wheat, barley), Selenium (as selenium yeast) Suggested Use one (1) tablet daily, preferably at mealtime, or as directed by a healthcare practitioner. Warnings If you are pregnant, nursing, taking any kind of medication or have a medical condition, please consult your healthcare practitioner before taking this product. Keep out of reach of children. Food supplements should not be used instead of a varied balanced diet & healthy lifestyle. DO NOT USE IF OUTER BOTTLE SEAL IS MISSING, TORN OR DAMAGED IN ANY WAY.