evidence: Vitamin B1, B12 or D deficiency [...] Merrill, S. J. & Minucci, S. B. Thyroid autoimmunity: an interplay of factors. Vitam. Hormones106, 129–145 (2018). [...] Groenewegen, K. L., Mooij, C. F. & van Trotsenburg, A. S. P. Persisting symptoms in patients with Hashimoto’s disease despite normal thyroid hormone levels: Does thyroid autoimmunity play a role? A systematic review. J. Transl. Autoimmun.4, 100101 (2021).