Have a look at a few herbs for thyroid by Dr Ayurveda Official:
* Ashwagandha: This is very helpful in Thyroid.
* Bacopa: It is a very useful herb in the regulation of hypothyroidism.
* Piperine: It's a very useful herb, especially against chronic diseases.
* Guggul: It is very effective for regulating thyroid function.
* Piper longum (Pippali): This herb helps a lot in Thyroid cases.