Douglas Laboratories Hypo Selenium 200 mcg. Antioxidant Protection and Co Factor Support for Glutathione Peroxidase Glutathione system enhancement for cardiac protection: pharmacological options against oxidative stress and ferroptosis Cell Death & Disease Selenium is a vital trace mineral that quietly supports some of the body's most essential functions, yet it's often overlooked. If you're taking a high quality multivitamin, you may be getting some selenium. Selenium Synergy 60 capsules selenium & broccoli, supports normal cell growth and promotes glutathione production Jarrow Formulas Selenium, a Micronutrient That Modulates Cardiovascular Health via Redox Enzymology