For three consecutive mornings upon awakening, one takes their temperature. Readings that are consistently low are signs of a sluggish thyroid. If one does have low thyroid function then supplements such as thyroid glandular, homeopathics, herbs such as kelp, and possibly natural thyroid medication are in prescribed. Another disease that may be involved in cold hands and feet is Raynaud s phenomenon or Raynaud s disease, two variations of a similar condition where the arteries that feed the hands constrict. A pre-existing condition, emotional upset, or coldness may trigger this event.
Cardiovascular disease can be a major factor in poor circulation to the extremities.
In these cases I want to help strengthen the contraction force of the heart. Uncontrolled diabetes is another common reason as to why circulation can be impaired to the extremities. High blood sugar levels can lead to hardening of the arteries, as well as damage to nerves that help control circulation. A comprehensive approach is required in these cases. However, the supplements alpha-lipoic acid and Ginkgo can provide much benefit.