T3’s negative effect on other hormones

Apparently some people can remain on T3-only indefinitely and actually feel fine, or certainly better than they ever did on T4 medications.  Others, however, become worse, because the high T3 levels have side effects and create imbalances in other hormones.  In men, high T3 levels will cause sex hormone binding globulin (SHBG) to rise, the … Read more

Osteoporosis, Osteopenia, Gum Disease & Bad Teeth are not from Low TSH, but can be from Low (or High) Thyroid Levels

Thyroid’s effect on bones Osteoporosis, osteopenia, or bone loss can be caused by thyroid levels (Free T3 and Free T4) that are too high.  A low TSH is often found with high thyroid levels and can be diagnostic for hyperthyroidism.  It is for this reason that doctors are reluctant to prescribe enough thyroid hormone for … Read more

High Blood Sugar & Insulin Resistance Correlate with High T3

High blood sugar, insulin resistance, or high fasting blood glucose may all be caused by high T3 levels.  Many on the T3-only protocol or high doses of desiccated thyroid notice their blood sugar levels rising and wonder why.  It’s because thyroid levels, either too high or too low, have a direct impact on blood glucose. … Read more