Biotin induced biochemical hyperthyroidism: A case report and review of the literature

Biotin is a commonly used supplement for hair, nail, and skin. Recent literature suggests that high-dose biotin therapy for neurological diseases like Multiple sclerosis can interfere with lab results that use biotin/streptavidin immunoassay, called biotin interference. Biotin interference can afect thyroid lab results, giving biochemical hyperthyroidism.