Selenium
Mineral
Trace mineral with antioxidant and thyroid-supporting roles.
Form: Tablet
Recommended intake: 55 µg/day
Benefits
Supports thyroid hormone activation, antioxidant defense, sperm motility.
Warnings
Narrow therapeutic window — chronic intake >400 µg/day can cause selenosis (hair loss, nail brittleness, neuropathy).
Description
Selenium is a component of glutathione peroxidase and the deiodinase enzymes that activate thyroid hormone. Vietnamese soil is variable in selenium; deficiency is uncommon but documented in some regions.