Re: Iodine and MSG allergy

Look into thiamine deficiency. It's becoming more and more common, and is usually not considered by doctors. Similar to Iodine deficiency, we've forgotten about thiamine deficiency.

Thiamine deficiency causes cold hands and feet. Thiamine deficiency can even lead to nerve damage in the feet and hands, if it is not corrected. This link has a list of all the symptoms: http://www.diagnose-me.com/symptoms-of/vitamin-B1-requirement.php

It's extremely common among thyroid patients, especially after a hyper metabolic experience. Other things that can contribute are eating sugar, drinking tea, coffee and alcohol, eating raw fish, and certain medications.

There is also a relationship between thiamine and glutamate.
https://www.hindawi.com/journals/tswj/2013/309143/

Thiamine is required to metabolize glutamate, and when thiamine is low, glutamate builds up.

Check out this research on thyroid patients treated with thiamine:
https://www.ncbi.nlm.nih.gov/pubmed/24351023

"Although levothyroxine, a thyroid hormone, is the treatment of choice for hypothyroidism, a significant number of patients on thyroid hormone replacement therapy report not feeling well despite having thyroid function tests within the healthy range. Based on our hypothesis, we started treating the fatigue in patients affected by Hashimoto's thyroiditis and taking a thyroid hormone with thiamine.

The administration of thiamine led to a partial or complete regression of the fatigue and related disorders. It is reasonable to infer that the administration of large quantities of thiamine restores thiamine-dependent processes. The mild thiamine deficiency suggested by fatigue and related disorders may be due a dysfunction of the intracellular transport of thiamine or to enzymatic abnormalities most likely related to the autoimmune process of the disease.
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