This drug treats hypothyroidism. It contains the synthetic form of one thyroid hormone, T4. Levothyroxine is the most commonly prescribed thyroid hormone replacement drug. T4 is the storage hormone and must be converted by the body into T3 to be used by cells.
This drug treats hypothyroidism. It contains the synthetic form of one thyroid hormone, T3. T3 is the active thyroid hormone that works at the cellular level to help with the delivery of oxygen and energy to cells, tissues, and glands throughout the body.
Natural Desiccated Thyroid (NDT) is derived from the dried (desiccated) thyroid glands of pigs or cow and provides T3, T4, and other thyroid hormones found in the human thyroid gland.
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TRUSTED BY MILLIONS Synthroid® is one of the most prescribed medications in the US with tens of millions prescriptions per month
STABLE FORMULATION Brand name Synthroid® is predictable and stable in its potency and fillers, minimizing variations in your symptoms
GLUTEN FREE Synthroid® is free of gluten, minimizing Hashimoto's and Hypothyroid triggers