Cant you find out what the new formulation is exactly?
It wouldnt surprise me though....something weird is going on:
"Second, many doctors financially benefit from their relationship with Synthroid, and some have a vested interest in seeing the downfall of its competitors. It may be as simple as the doctor getting a regular supply of free drug samples, brochures, lunches, goody baskets, and other giveaways. Or, your doctor may be one of the thousands who receives free, all-expenses-paid trips to medical meetings, hefty honoraria and speaking fees, unrestricted research money, and more from the drug companies. But if your doctor says that Armour is going off the market, you should question his or her motives."