Are you are currently taking a synthetic thyroid medication like Synthroid or Levoxyl and not feeling any better? For some people the T4 only medications do not give the same benefits of the more natural T4, T3 medications like Armour, Nature-throid, and Westroid. They are both prescriptions but your Beyond-Biology Blood Panel will tell us what type of medication will work better for you as an individual. We are all different in enzymes and biochemistry and should be treated that way. This chart shows some of the medications that are available and how to convert from one drug to another.