Lisa Pitel-Killah discusses the interrelationships of minerals, namely the significant ratios, one of which identifies the functionality of the thyroid. The thyroid is affected by the levels of minerals, specifically selenium, calcium, potassium and iodine. Iodine, whether in the form of seaweed or Lugol’s, needs to be understood in order to put it into clinical practice. Understand the effects of iodine, the measurement tools, the cautions and the conversions. Plus learn how to identify iodine insufficiency specifically by analyzing a client’s HTMA (Hair Tissue Mineral Analysis) test.