Synthroid, produced by Abbott Laboratories, is the brand name counterpart to the generic levothyroxine, and the most common synthetic thyroid medication; it is taken by over 40% of people with hypothyroidism.
Synthroid is the brand name counterpart to the generic levothyroxine. Synthroid is the most common synthetic thyroid medication. Synthroid is produced by Abbott Laboratories. It is taken by over 40% of people with hypothyroidism.