Tin is associated with Iodine the same way as calcium is associated with magnesium. Tin supports the adrenal glands, and iodine supports the thyroid gland, with both subsequently affecting cardiac output: Tin adrenals control the left side, and iodine thyroid control the right side. In addition to low Vitamin C and or Vitamin B1, low tin is a common nutritional cause of low adrenals, which can lead to left-sided cardiac insufficiency. While fatigue or depression may be experienced with cardiac insufficiency of either side, breathing difficulties or asthma are more common with left-sided cardiac insufficiency, and swelling of hands and feet is more common with right-sided cardiac insufficiency, regardless of the cause... Full Text