Testing antibodies wouldn't slice his salami.
That would be sucking the juice out of it.. Sorry I found it amusing. Fluxing is natural with or with out antibodies. Antibodies will make it worse with bigger swings. Thyroid hormone production is dependent on your thyroid function, the pituitary call for function (which cycles daily), and presence of iodine and such for making the hormone. Even lazy dogs roll over and go out side to use the potty. Same thing with a present underactive thyroid. Occasionally it will roll over and annoy you. Mine is like my cat. It lays belly up in the middle of the floor and then for no reason what so ever.. flips to its feet and runs up the walls.
That is the perfect analogy.. I will have to remember that one. My thyroid is a cat!