They can disrupt sleep, increase anxiety, and stress the cardiovascular system
It is due to an autoimmune disease
In the withdrawal trial, participants switched to placebo regained about 14% over the following year. Tapering, at least 1.2 g/kg of protein, resistance training, and follow-up reduce the risk, but no post-stop protocol guarantees maintenance
Last reviewed: July 13, 2026 Last updated: July 13, 2026 Written by: Jay Hastings, CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
both simply describe why the research protocol looks the way it does
Low levels of vitamin B-12 apparently exacerbate inflammation in the thyroid gland, worsening Hashimotos thyroiditis symptoms