Positives

• An individual with CFS experienced improvements in neck-related symptoms, including episodes of tinnitus and reduced hearing, after iodine supplementation Reddit.
  
  
• A patient described a reduction in altered sensations and numbness in stiff areas following a large intake of iodine-rich foods, like a snow crab meal Reddit.
  
  

Negatives

• Patients on high iodine intake from Lugol’s, kelp tablets and antiseptics can develop iodine-induced hyperthyroidism (Jod-Basedow effect), iodide goiter, and even iodide-induced subacute thyroiditis without prior thyroid disease ScienceDirect.
• Older patients on kelp tablets have developed iodine-induced hyperthyroidism, particularly those who assumed kelp would gently support their thyroid People’s Pharmacy.
• Patients on Lugol’s commonly describe a bitter or metallic taste, rash and upset stomach, while prolonged use can cause iodism (chronic iodine toxicity) and abdominal pain, nausea, vomiting and diarrhea at higher doses Drugs.com.
• A documented case of Lugol’s-induced painless thyroiditis illustrates that even short courses can destabilize thyroid function in previously euthyroid patients PMC.

Hurdles & Side Effects

• One user mentioned the need to start with low doses of iodine, but also suggested use higher than typical doses under clinician supervision if needed to experience benefits Reddit.