Your adrenals play a big part in so many thyroid symptoms. If your adrenals are fatigued, your thyroid hormones will be affected. Another hormone that causes many symptoms is cortisol. Make sure you are testing your cortisol levels through saliva testing. The test should be taken three or four at separate times a day for accuracy.
The elimination phase of AIP should last a minimum of 30 days. When you feel that your body may be ready for some reintroductions, it's important to try one thing at a time and allow plenty of time to judge your body's reaction. This chart is great in helping to plan the usual best introductions in the most sensible order.