Strong evidencemineral
Iodine for Chronic Fatigue
Essential substrate for thyroid hormones T3 and T4, which regulate basal metabolic rate and cellular energy production.
How strong is the research?
Strong evidence
Based on a randomised controlled trial (RCT) — the gold standard for establishing cause and effect.
Research source
SourceTriggiani V et al. · Endocrine 2019How much to take
150–300 mcg
Do not exceed 1100 mcg/day. Test thyroid function before high-dose supplementation.