TG and Hashimoto thyroiditis: With the help of measurements of thyroid-stimulating hormone (TSH), thyroid hormones, TPOAb and thyroglobulin antibodies (TgAb) levels, thyroid echogenicity, and thyroid hormone levels after six months of l-selenomethionine treatment, Wu et al. evaluated the true efficacy of selenium supplementation in Hashimoto’s thyroiditis [43].