How Lemon Balm/Melissa interacts with Thyroid medications

Interaction type: Interactions

Interaction rating: Potential/Theoritical

A laboratory study reported that lemon balm can affect the thyroid, which may alter the effects of these medications and possibly the dose needed for treatment. Use with caution. (1)

These drugs include thyroid desiccated, levothyroxine sodium, liothyronine sodium, liotrix, iodine products


  1. View Abstract: Auf’mkolk M, et al. Extracts and auto-oxidized constituents of certain plants inhibit the receptor-binding and the biological activity of Graves' immunoglobulins. Endocrinology. May1985;116(5):1687-93.