Trace mineral supplement supplies a nutrient or bioactive compound intended to alter a defined physiological pathway. The relevant form, baseline status and product quality determine whether the proposed mechanism is clinically meaningful.
What it is, why people use it, the evidence, and what to know before trying it.
Known side effects, interactions and use limits from reviewed sources.
Trace minerals have narrow safe ranges: excess iron, selenium, copper, iodine or zinc can be harmful and can interfere with other nutrients or medicines. Check amounts against total intake.