[header] How to boost metabolism as a thyroid patient [title] Talk to your doctor. [step] There are two types of thyroid patients. If your metabolism is too slow because your thyroid is not producing enough thyroid hormone, you suffer from hypothyroidism. 
If your metabolism is too fast, however, your thyroid is overactive and producing a surfeit of thyroid hormone. Only your doctor can help you determine if you have hypothyroidism or hyperthyroidism, and whether boosting your metabolism as a thyroid patient is safe.