Selenium is an essential trace mineral that supports the immune system Ingredients Selenium (yeast-free L-selenomethionine) Suggested Useone (1) tablet daily, preferably at mealtime, or as directed by a healthcare practitioner. Warnings If you are pregnant, nursing, taking any 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.