Provided herein are methods of stabilizing thyroid hormone, preventing a thyroid hormone from being oxidized, producing a formulation of thyroid hormone having a uniform potency, and reducing the exposure of a thyroid hormone to oxygen, light, moisture, or high temperature. Such methods comprise coating said thyroid hormone to provide a solid form comprising thyroid hormone coated with a coating material. Also provided are pharmaceutical compositions comprising a solid form of a thyroid hormone, wherein said solid form comprises thyroid hormone coated with a coating material. The invention also provides pharmaceutical compositions produced by the methods. Unit dosage forms and batches comprising such pharmaceutical compositions are also provided.
