It's a great natural thyroid supplement that contains thyroid supporting ingredients like kelp.
Iodine is essential for normal thyroid output. The thyroid molecules are called T3 and T4 because T3 has 3 molecules of iodine and T4 has 4.
The only good natural source of iodine is sea vegetables like kelp. So many people in North America suffer from thyroid issues because sea vegetables are not something we commonly eat in North America