Hypothyroidism is common in the population as we age. Different tissues have different thyroid hormone requirements. Iodine is crucial for making thyroid hormone and for stability of other tissues. Thyroid hormones are very important in heart functions.
Thyroid T3 is safe to use in congestive heart failure.
Cardiac tissue is T3 dependent for normal function in congestive heart failure.
Mild thyroid dysfunction is associated with clear evidence of cardiovascular disease and arteriosclerosis.
Thyroid T3 is very important to lower LDL cholesterol.