It’s so important to understand the differences between active and inactive thyroid medications. Or in other words, T3 versus T4 medications. T4 thyroid medications are levothyroxine, Synthroid, Unithroid, Levoxyl, and Tirosint. These are all inactive thyroid medications. Active thyroid meds contain T3. These are drugs like Cytomel, liothyronine, NP Thyroid, and Armour Thyroid. So many people need active forms of thyroid medication but are denied them from their doctor or clinicians. Here a litt

Which Thyroid Meds Contain T3? Most thyroid medications, like levothyroxine, contain T4 only, but T3 is the most active thyroid hormone. If you are tired, sluggish, or gaining weight, T3 may be what you’re missing. T3-containing medications include: • Natural desiccated thyroid – Armour, NP thyroid • Liothyronine or Cytomel – immediate release T3 only • Sustained-release T3 – compounded slow-release from pharmacies If symptoms persist on T4, the issue may not be the dose, it may be missing T3 en