poor thyroid makes it more likely to get copper overload i thinkI think that zinc is insufficient in the classic „Ray Peat Diet“.
I think the diet is the recipe to get histapenia (low histamine) with all the dairy (calcium lowers histamines), vitamin D, coffee and beef liver (copper lowering histamines via DAO/HNMT) and on-top the low red meat recommendation (one of the only sources of zinc with a lack of copper)
I think the copper:zinc ratio should at least be 1:10, and up to 1:15.